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Income taxes in the United States are imposed by the
federal government A federation (also known as a federal state) is a political entity A polity is an identifiable political Politics (from , ) is the set of activities that are associated with Decision-making, making decisions in Social group, groups, ...
, and most
states State may refer to: Arts, entertainment, and media Literature * ''State Magazine'', a monthly magazine published by the U.S. Department of State * The State (newspaper), ''The State'' (newspaper), a daily newspaper in Columbia, South Carolina, Un ...
. The
income tax An income tax is a tax A tax is a compulsory financial charge or some other type of levy imposed on a taxpayer (an individual or legal entity In law Law is a system A system is a group of Interaction, interacting or interrelate ...
es are determined by applying a tax rate, which may increase as income increases, to
taxable income Taxable income refers to the base upon which an income tax system imposes tax. In other words, the income over which the government imposed tax. Generally, it includes some or all items of income and is reduced by expenses and other deductions. Th ...
, which is the total income less allowable
deductions Deduction may refer to: Philosophy * Deductive reasoning, inference in which the conclusion is of greater generality than the premises * Natural deduction, an approach to proof theory that attempts to provide a formal model of logical reasoning as ...

deductions
. Income is broadly defined. Individuals and corporations are directly taxable, and estates and trusts may be taxable on undistributed income.
Partnerships A partnership is an arrangement where parties, known as business partnerA business partner is a commercial entity with which another commercial entity has some form of alliance. This relationship may be a contract A contract is a legally bin ...
are not taxed (with some exceptions in the case of Federal income taxation), but their partners are taxed on their shares of partnership income. Residents and citizens are taxed on worldwide income, while nonresidents are taxed only on income within the jurisdiction. Several types of
credits Credit refers to any form of deferred payment, the granting of a loan and the creation of debt. Credit may also refer to: Places * Credit, Arkansas, a ghost town Arts, entertainment, and media * Credit (creative arts), acknowledging the ideas o ...
reduce tax, and some types of credits may exceed tax before credits. An alternative tax applies at the federal and some state levels. In the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

United States
, the term "payroll tax" usually refers to
FICA taxes The Federal Insurance Contributions Act (FICA ) is a United States federal payroll tax, payroll (or employment) contribution directed towards both employees and employers to fund Social Security (United States), Social Security and Medicare (Unit ...
that are paid to fund
Social Security Welfare (or commonly, social welfare) is a type of government support intended to ensure that members of a society can meet basic human needs Maslow's hierarchy of needs is an idea in psychology Psychology is the science of mind and ...
and Medicare, while "income tax" refers to taxes that are paid into state and federal general funds. Most business expenses are deductible. Individuals may also deduct a personal allowance (exemption) and certain personal expenses, including home mortgage interest, state taxes, contributions to charity, and some other items. Some deductions are subject to limits.
Capital gains Capital gain is an economic concept defined as the profit Profit may refer to: Business and law * Profit (accounting) Profit, in accounting Accounting or Accountancy is the measurement, processing, and communication of financial an ...
are taxable, and capital losses reduce taxable income to the extent of gains (plus, in certain cases, $3,000 or $1,500 of ordinary income). Individuals currently pay a lower rate of tax on capital gains and certain corporate dividends. Taxpayers generally must self assess income tax by filing tax returns. Advance payments of tax are required in the form of withholding tax or estimated tax payments. Taxes are determined separately by each jurisdiction imposing tax. Due dates and other administrative procedures vary by jurisdiction. April 15 following the tax year is the last day for individuals to file tax returns for federal and many state and local returns. Tax as determined by the taxpayer may be adjusted by the taxing jurisdiction.


Basics


Sources of U.S. income tax laws

United States income tax law comes from a number of sources. These sources have been divided by one author into three tiers as follows: *''Tier 1'' **
United States Constitution The Constitution of the United States is the supreme law A constitution is an aggregate of fundamental principles or established precedents that constitute the legal basis of a polity, organisation An organization, or orga ...

United States Constitution
**
Internal Revenue Code The Internal Revenue Code (IRC), formally the Internal Revenue Code of 1986, is the domestic portion of federal statutory tax law in the United States, published in various volumes of the United States Statutes at Large The ''United States Sta ...

Internal Revenue Code
(IRC) (legislative authority, written by the
United States Congress The United States Congress is the legislature of the federal government of the United States. It is Bicameralism, bicameral, comprising a lower body, the United States House of Representatives, House of Representatives, and an upper body, t ...

United States Congress
through
legislation Legislation is the process or product of enrolled bill, enrolling, enactment of a bill, enacting, or promulgation, promulgating law by a legislature, parliament, or analogous Government, governing body. Before an item of legislation becomes law ...
) **
Treasury regulations Treasury Regulations are the tax regulations issued by the United States Internal Revenue Service The Internal Revenue Service (IRS) is the revenue service A revenue service, revenue agency or taxation authority is a government agency re ...
**
Federal court Federal court may refer to: United States * Federal judiciary of the United States ** United States district court, a particular federal court Elsewhere * Federal Court of Australia * Federal courts of Brazil * Federal Court (Canada) * Federal Cou ...
opinions An opinion is a judgement Judgement (or US spelling judgment) is also known as ''adjudication'' which means the evaluation of evidence to make a decision. Judgement is also the ability to make considered decisions. The term has four disti ...
(judicial authority, written by courts as interpretation of legislation) **
Treaties A treaty is a formal, legally binding written agreement between actors in international law International law, also known as public international law and law of nations, is the set of rules, norms, and standards generally recognized as bi ...
(executive authority, written in conjunction with other countries, subject to ratification in the United States by advice and consent of the U.S. Senate - other countries have their own ratification procedures) *''Tier 2'' ** Agency interpretative regulations (executive authority, written by the
Internal Revenue Service The Internal Revenue Service (IRS) is the revenue service A revenue service, revenue agency or taxation authority is a government agency responsible for the intake of government revenue, including taxes and sometimes non-tax revenue. Depe ...
(IRS) and
Department of the Treasury Department may refer to: * Departmentalization, division of a larger organization into parts with specific responsibility Government and military *Department (country subdivision), a geographical and administrative division within a country, for e ...
), including: *** Final, Temporary and Proposed Regulations promulgated under IRC § 7805 or other specific statutory authority; *** Treasury Notices and Announcements; *** Executive agreements with other countries; ** Public Administrative Rulings (IRS Revenue Rulings, which provide informal guidance on specific questions and are binding on all taxpayers) *''Tier 3'' ** Legislative History ** Private Administrative Rulings (private parties may approach the IRS directly and ask for a Private Letter Ruling on a specific issue – these rulings are binding only on the requesting taxpayer). Where conflicts exist between various sources of tax authority, an authority in Tier 1 outweighs an authority in Tier 2 or 3. Similarly, an authority in Tier 2 outweighs an authority in Tier 3.''Id.'' Where conflicts exist between two authorities in the same tier, the "last-in-time rule" is applied. As the name implies, the "last-in-time rule" states that the authority that was issued later in time is controlling. Regulations and case law serve to interpret the statutes. Additionally, various sources of law attempt to do the same thing. Revenue Rulings, for example, serves as an interpretation of how the statutes apply to a very specific set of facts. Treaties serve in an international realm.


Basic concepts

A tax is imposed on net
taxable income Taxable income refers to the base upon which an income tax system imposes tax. In other words, the income over which the government imposed tax. Generally, it includes some or all items of income and is reduced by expenses and other deductions. Th ...
in the United States by the federal, most state, and some local governments. Income tax is imposed on individuals, corporations, estates, and trusts. The definition of net taxable income for most sub-federal jurisdictions mostly follows the federal definition. The rate of tax at the federal level is graduated; that is, the tax rates on higher amounts of income are higher than on lower amounts
Federal tax rates in 2018
varied from 10% to 37%. Some states and localities impose an income tax at a graduated rate, and some at a flat rate on all taxable income. Individuals are eligible for a reduced rate of federal income tax on
capital gains Capital gain is an economic concept defined as the profit Profit may refer to: Business and law * Profit (accounting) Profit, in accounting Accounting or Accountancy is the measurement, processing, and communication of financial an ...
and qualifying dividends. The tax rate and some deductions are different for individuals depending o
filing status
Married individuals may compute tax as a couple or separately. Single individuals may be eligible for reduced tax rates if they are head of a household in which they live with a dependent. Taxable income is defined in a comprehensive manner in the
Internal Revenue Code The Internal Revenue Code (IRC), formally the Internal Revenue Code of 1986, is the domestic portion of federal statutory tax law in the United States, published in various volumes of the United States Statutes at Large The ''United States Sta ...

Internal Revenue Code
and tax regulations issued by the Department of Treasury and the
Internal Revenue Service The Internal Revenue Service (IRS) is the revenue service A revenue service, revenue agency or taxation authority is a government agency responsible for the intake of government revenue, including taxes and sometimes non-tax revenue. Depe ...
. Taxable income is
gross income For households and individuals, gross income is the sum of all wages A wage is the distribution from an employer Employment is the relationship between two party (law), parties, usually based on a employment contract, contract where wo ...
as adjusted minus
deductions Deduction may refer to: Philosophy * Deductive reasoning, inference in which the conclusion is of greater generality than the premises * Natural deduction, an approach to proof theory that attempts to provide a formal model of logical reasoning as ...

deductions
. Most states and localities follow these definitions at least in part, though some make adjustments to determine income taxed in that jurisdiction. Taxable income for a company or business may not be the same as its book income. Gross income include
all income earned or received from whatever source
This includes salaries and wages, tips, pensions, fees earned for services, price of goods sold, other business income, gains on sale of other property, rents received, interest and
dividend A dividend is a distribution of profit Profit may refer to: Business and law * Profit (accounting), the difference between the purchase price and the costs of bringing to market * Profit (economics), normal profit and economic profit * Profit ...

dividend
s received, proceeds from selling crops, and many other types of income. Some income, such as municipal bond interest, is
exempt from income tax Exemption may refer to: * Tax exemption, which allows a certain amount of income or other value to be legally excluded to avoid or reduce taxation * Exemption (canon law), an exemption in the Roman Catholic Church, that is the whole or partial re ...
.
Adjustments (usually reductions) to gross income
of individuals are made for contributions to many types of retirement or health savings plans, certain student loan interest, half of self-employment tax, and a few other items. The
cost of goods sold Cost of goods sold (COGS) is the carrying value In accounting, book value is the value of an asset according to its balance sheet account balance. For assets, the value is based on the original cost of the asset less any depreciation, amortizatio ...
in a business is a direct reduction of gross income. Business deductions: Taxable income of all taxpayers is reduced by
deductions Deduction may refer to: Philosophy * Deductive reasoning, inference in which the conclusion is of greater generality than the premises * Natural deduction, an approach to proof theory that attempts to provide a formal model of logical reasoning as ...
for expenses related to their business. These include salaries, rent, and other business expenses paid or accrued, as well as allowances for
depreciation In accountancy, depreciation refers to two aspects of the same concept: first, the actual decrease of fair value of an asset, such as the decrease in value of factory equipment each year as it is used and wear, and second, the allocation in a ...
. The deduction of expense
may result in a loss
Generally, such loss can reduce other taxable income, subject to some limits. Personal deductions: The former deduction for personal exemptions wa
repealed for 2018 through 2025
Standard deduction: In addition, individuals get a deduction from taxable income for certain personal expenses. Alternatively, the individual may claim a
standard deduction Under United States tax law The United States of America The United States of America (USA), commonly known as the United States (U.S. or US), or America, is a country Contiguous United States, primarily located in North America. It con ...
.
For 2018, the basic standard deduction
was $12,000 for single individuals or married persons filing separately, $24,000 for a joint return or surviving spouse, and $18,000 for a head of household. For tax year 2019, the basic standard deduction amounts are $12,200 for a single individual or married person filing separately, $24,400 for a joint return or surviving spouse return, and $18,350 for a head of household. Itemized deductions: Those who choose to claim actua
itemized deductions
may deduct the following, subject to many conditions and limitations: *Medical expenses in excess of 10% of adjusted gross income, *Certain taxe
limited to $10,000 or $5,000 in 2018 through 2025
*Home mortgage interest, *Contributions to charities, *Losses on nonbusiness property due to casualty, and *Deductions for expenses incurred in the production of income in excess of 2% of adjusted gross income. Capital gains: and
qualified dividend Qualified dividends, as defined by the United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It ...
s may be taxed as part of taxable income. However, the tax is limited to a lower tax rate.
Capital gains Capital gain is an economic concept defined as the profit Profit may refer to: Business and law * Profit (accounting) Profit, in accounting Accounting or Accountancy is the measurement, processing, and communication of financial an ...
include gains on selling stocks and bonds, real estate, and other capital assets. The gain is the excess of the proceeds over the adjusted
tax basis Under U.S. federal tax law, the tax basis of an asset is generally its cost basis Basis (or cost basis), as used in United States tax law The United States, United States of America has separate Federal government of the United States, federal, U ...
(cost less
depreciation deductions In accountancy, depreciation refers to two aspects of the same concept: first, the actual decrease of fair value of an asset, such as the decrease in value of factory equipment each year as it is used and wears, and second, the allocation in ac ...
allowed) of the property. This lower rate of tax also applies to dividends from U.S. corporations and many foreign corporations. There are limits on how much net capital loss may reduce other taxable income. Tax credits: All taxpayers are allowed a
credit Credit (from Latin Latin (, or , ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken in the area around Rome, known as Latium. Through the power of the R ...
for
foreign taxes Foreign may refer to: Government * Foreign policy, how a country interacts with other countries * Ministry of Foreign Affairs, in many countries ** Foreign Office, a department of the UK government ** Foreign office and foreign minister * United St ...
and for a percentage o
certain types of business expenses
Individuals are also allowe
credits
related to education expenses, retirement savings, and child care expenses. Each of the credits is subject to specific rules and limitations. Some credits are treated as refundable payments. Alternative minimum tax: All taxpayers are also subject to the Alternative Minimum Tax if their income exceeds certain exclusion amounts. This tax applies only if it exceeds regular income tax, and is reduced by some credits. Additional Medicare tax: High-income earners may also have to pay an additional 0.9% tax on wages, compensation, and self-employment income. Net investment income is subject to a
additional 3.8% tax
for individuals with income in excess of certain thresholds. Tax returns: U.S. corporations and most resident individuals must file
income tax returns A tax return is the completion of documentation that calculates an entity’s or individual's income earned with the amount of tax payable to the government, government organizations or to potential taxpayers. Specific tax forms are intended to ...
to self assess income tax if any tax is due or to claim a
tax refund A tax refund or tax rebate is a payment to the taxpayer when the taxpayer pays more tax than they owe. By country United States According to the Internal Revenue Service The Internal Revenue Service (IRS) is the revenue service A r ...
. Some taxpayers must file an income tax return because they satisfy one of the several other conditions. Tax returns may b
filed electronically
Generally, an individual'
tax return covers the calendar year. Corporations may elect a different tax year
Most states and localities follow the federal tax year, and require separate returns. Tax payment: Taxpayers mus
pay income tax
due without waiting for an assessment. Many taxpayers are subject to
withholding tax Tax withholding, also known as tax retention, Pay-as-You-Go, Pay-as-You-Earn, or a ''Prélèvement à la source'', is income tax An income tax is a tax A tax is a compulsory financial charge or some other type of levy imposed on a taxpayer ...
es when they receive income. To the extent withholding taxes do not cover all taxes due, all taxpayers must mak
estimated tax payments
or face penalties. Tax penalties: Failing to make payments on time, or failing to file returns, can result in substantial
penalties Penalty or The Penalty may refer to: Sports * Penalty (golf) * Penalty (gridiron football) * Penalty (ice hockey) * Penalty (rugby) * Penalty (rugby union) * Penalty kick (association football) * Penalty shoot-out (association football) Entertain ...
. Certain intentional failures may result in jail time. Tax returns may b
examined and adjusted
by tax authorities. Taxpayers hav
rights to appeal
any change to tax, and these rights vary by jurisdiction. Taxpayers may also go to court to contest tax changes. Tax authorities may not make changes after a certain period of time (generally three or four years from the tax return due date).


Federal income tax rates for individuals

Federal income brackets and tax rates for individuals are adjusted annually for inflation. The
Internal Revenue Service The Internal Revenue Service (IRS) is the revenue service A revenue service, revenue agency or taxation authority is a government agency responsible for the intake of government revenue, including taxes and sometimes non-tax revenue. Depe ...
(IRS) accounts for changes to the
CPI#REDIRECT consumer price index#REDIRECT consumer price index A consumer price index measures changes in the price level of a weighted average market basket of Goods, consumer goods and Services marketing, services purchased by households. A CPI ...
and publishes the new rates as " Tax Rate Schedules".


Marginal tax rates


Marginal tax rates before 2018

Beginning in 2013, an additional tax of 3.8% applies to net investment income in excess of certain thresholds.


Marginal tax rates for 2018


Marginal tax rates for 2019

An individual pays tax at a given bracket only for each dollar within that
tax bracket Tax brackets are the divisions at which tax rate In a tax A tax is a compulsory financial charge or some other type of levy imposed on a taxpayer (an individual or legal entity In law, a legal person is any person A person (plural p ...
's range. The top marginal rate does not apply in certain years to certain types of income. Significantly lower rates apply after 2003 to capital gains and qualifying dividends (see below).


Example of a tax computation

Income tax for year 2017: Single taxpayer making $40,000 gross income, no children, under 65 and not blind, taking standard deduction; * $40,000 gross income – $6,350
standard deduction Under United States tax law The United States of America The United States of America (USA), commonly known as the United States (U.S. or US), or America, is a country Contiguous United States, primarily located in North America. It con ...
– $4,050
personal exemption Under United States tax law The United States of America The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North Ame ...
= $29,600 taxable income ** amount in the first income bracket = $9,325; taxation of the amount in the first income bracket = $9,325 × 10% = $932.50 ** amount in the second income bracket = $29,600 – $9,325 = $20,275.00; taxation of the amount in the second income bracket = $20,275.00 × 15% = $3,041.25 * Total income tax is $932.50 + $3,041.25 = $3,973.75 (~9.93%
effective tax Effectiveness is the capability of producing a desired result or the ability to produce desired output. When something is deemed effective, it means it has an intended or expected outcome, or produces a deep, vivid impression. Etymology The origi ...

effective tax
) Note, however, that taxpayers with taxable income of less than $100,000 must use IRS provided tax tables. Under that table for 2016, the income tax in the above example would be $3,980.00. In addition to income tax, a wage earner would also have to pay
Federal Insurance Contributions Act tax The Federal Insurance Contributions Act (FICA ) is a United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in N ...
(FICA) (and an equal amount of FICA tax must be paid by the employer): * $40,000 (adjusted gross income) ** $40,000 × 6.2% = $2,480 (Social Security portion) ** $40,000 × 1.45% = $580 (Medicare portion) * Total FICA tax paid by employee = $3,060 (7.65% of income) * Total federal tax of individual = $3,973.75 + $3,060.00 = $7,033.75 (~17.58% of income) Total federal tax including employer's contribution: * Total FICA tax contributed by employer = $3,060 (7.65% of income) * Total federal tax of individual including employer's contribution = $3,973.75 + $3,060.00 + $3,060.00 = $10,093.75 (~25.23% of income)


Effective income tax rates

Effective tax rates are typically lower than marginal rates due to various deductions, with some people actually having a negative liability. The individual income tax rates in the following chart include capital gains taxes, which have different marginal rates than regular income. Only the first $118,500 of someone's income is subject to social insurance (Social Security) taxes in 2016. The table below also does not reflect changes, effective with 2013 law, which increased the average tax paid by the top 1% to the highest levels since 1979, at an effective rate of 33%, while most other taxpayers have remained near the lowest levels since 1979.


Taxable income

Income tax is imposed as a tax rate times taxable income. Taxable income is defined as
gross income For households and individuals, gross income is the sum of all wages A wage is the distribution from an employer Employment is the relationship between two party (law), parties, usually based on a employment contract, contract where wo ...
less allowable
deductions Deduction may refer to: Philosophy * Deductive reasoning, inference in which the conclusion is of greater generality than the premises * Natural deduction, an approach to proof theory that attempts to provide a formal model of logical reasoning as ...
. Taxable income as determined for federal tax purposes may be modified for state tax purposes.


Gross income

The
Internal Revenue Code The Internal Revenue Code (IRC), formally the Internal Revenue Code of 1986, is the domestic portion of federal statutory tax law in the United States, published in various volumes of the United States Statutes at Large The ''United States Sta ...

Internal Revenue Code
states that "gross income means all income from whatever source derived," and gives specific examples.26 USC 61
Gross income is not limited to cash received, but "includes income realized in any form, whether money, property, or services." Gross income includes wages and tips, fees for performing services, gain from sale of inventory or other property, interest, dividends, rents, royalties, pensions, alimony, and many other types of income. Items must be included in income when received or accrued. The amount included is the amount the taxpayer is entitled to receive. Gains on property are the gross proceeds less amounts returned,
cost of goods sold Cost of goods sold (COGS) is the carrying value In accounting, book value is the value of an asset according to its balance sheet account balance. For assets, the value is based on the original cost of the asset less any depreciation, amortizatio ...
, or
tax basis Under U.S. federal tax law, the tax basis of an asset is generally its cost basis Basis (or cost basis), as used in United States tax law The United States, United States of America has separate Federal government of the United States, federal, U ...
of property sold. Certain types of income are
exempt from income tax Exemption may refer to: * Tax exemption, which allows a certain amount of income or other value to be legally excluded to avoid or reduce taxation * Exemption (canon law), an exemption in the Roman Catholic Church, that is the whole or partial re ...
. Among the more common types of exempt income are interest on municipal bonds, a portion of Social Security benefits, life insurance proceeds, gifts or inheritances, and the value of many employee benefits. Gross income is reduced by adjustments and
deductions Deduction may refer to: Philosophy * Deductive reasoning, inference in which the conclusion is of greater generality than the premises * Natural deduction, an approach to proof theory that attempts to provide a formal model of logical reasoning as ...
. Among the more common adjustments are reductions for alimony paid and
IRA Ira or IRA may refer to: *Ira (name), a Hebrew, Sanskrit, Russian or Finnish language personal name *Ira (surname), a rare Estonian and some other language family name Law *Individual retirement account, in the US, giving tax benefits *Indian Reor ...
and certain other retirement plan contributions. Adjusted gross income is used in calculations relating to various deductions, credits, phase outs, and penalties.


Business deductions

Most business deductions are allowed regardless of the form in which the business is conducted. Therefore, an individual small business owner is allowed most of the same business deductions as a publicly traded corporation. A business is an activity conducted regularly to make a profit. Only a few business-related deductions are unique to a particular form of business-doing. The deduction of investment expenses by individuals, however, has several limitations, along with other itemized (personal) deductions. The amount and timing of deductions for income tax purposes is determined under tax accounting rules, not financial accounting ones. Tax rules are based on principles similar in many ways to accounting rules, but there are significant differences. Federal deductions for most meals and entertainment costs are limited to 50% of the costs (with an exception for tax year 2021, allowing a 100% deduction for meals purchased in a restaurant). Costs of starting a business (sometimes called pre-operating costs) are deductible ratably over 60 months. Deductions for lobbying and political expenses are limited. Some other limitations apply. Expenses likely to produce future benefits must be capitalized. The capitalized costs are then deductible as depreciation (see
MACRS The Modified Accelerated Cost Recovery System (MACRS) is the current tax depreciation system in the United States. Under this system, the capitalized cost (basis) of tangible property is recovered over a specified life by annual deductions for de ...
) or amortization over the period future benefits are expected. Examples include costs of machinery and equipment and costs of making or building property. IRS tables specify lives of assets by class of asset or industry in which used. When an asset the cost of which was capitalized is sold, exchanged, or abandoned, the proceeds (if any) are reduced by the remaining unrecovered cost to determine gain or loss. That gain or loss may be ordinary (as in the case of inventory) or capital (as in the case of stocks and bonds), or a combination (for some buildings and equipment). Most personal, living, and family expenses are not deductible. Business deductions allowed for federal income tax are almost always allowed in determining state income tax. Only some states, however, allow itemized deductions for individuals. Some states also limit deductions by corporations for investment related expenses. Many states allow different amounts for depreciation deductions. State limitations on deductions may differ significantly from federal limitations. Business deductions in excess of business income result in losses that may offset other income. However, deductions for losses from passive activities may be deferred to the extent they exceed income from other passive activities. Passive activities include most rental activities (except for real estate professionals) and business activities in which the taxpayer does not materially participate. In addition, losses may not, in most cases, be deducted in excess of the taxpayer's amount at risk (generally tax basis in the entity plus share of debt).


Personal deductions

Prior to 2018, individuals were allowed a special deduction called a
personal exemption Under United States tax law The United States of America The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North Ame ...
for dependents. This wa
not allowed after 2017
This was a fixed amount allowed each taxpayer, plus an additional fixed amount for each child or other dependents the taxpayer supports. The amount of this deduction was $4,000 for 2015. The amount is indexed annually for inflation. The amount of exemption was phased out at higher incomes through 2009 and after 2012 (no phase out in 2010–2012).
Citizens Citizenship is a relationship between an individual and a state to which the individual owes allegiance and in turn is entitled to its protection. Each state determines the conditions under which it will recognize persons as its citizens, and t ...
and individuals with U.S.
tax residence The criteria for residence for tax purposes vary considerably from jurisdiction to jurisdiction, and "residence" can be different for other, non-tax purposes. For individuals, Physical presence test, physical presence in a jurisdiction is the main t ...
may deduct a flat amount as a
standard deduction Under United States tax law The United States of America The United States of America (USA), commonly known as the United States (U.S. or US), or America, is a country Contiguous United States, primarily located in North America. It con ...
. This was $12,000 for single individuals and $24,000 for married individuals filing a joint return for 2018. Alternatively, they may claim
itemized deductions Under United States tax law The United States of America The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North Ameri ...
for actual amounts incurred for specific categories of nonbusiness expenses. Expenses incurred to produce tax exempt income and several other items are not deductible. Home owners may deduct the amount of interest and
property taxes A property tax or millage rate is an ad valorem tax An ''ad valorem'' tax (Latin Latin (, or , ) is a classical language A classical language is a language A language is a structured system of communication Communicatio ...

property taxes
paid on their principal and second homes. Local and state income taxes are deductible through the SALT deduction, or the individual may elect to deduct state and local
sales tax A sales tax is a tax A tax is a compulsory financial charge or some other type of levy imposed on a taxpayer (an individual or legal entity In law Law is a system A system is a group of Interaction, interacting or interrelate ...
. Contributions to
charitable organizations A charitable organization or charity is an organization whose primary objectives are philanthropy and social well-being (e.g. educational, Religion, religious or other activities serving the public interest or common good). The legal definitio ...
are deductible by individuals and corporations, but the deduction is limited to 50% and 10% of gross income, respectively. Medical expenses in excess of 10% of
adjusted gross income In the United States income tax system, adjusted gross income (AGI) is an individual's total gross income For households and individuals, gross income is the sum of all wages A wage is the distribution from an employer Employment is th ...
are deductible, as are uninsured casualty losses. Other income producing expenses in excess of 2% of adjusted gross income are also deductible. Before 2010, the allowance of itemized deductions was phased out at higher incomes. The phase out expired for 2010.


Retirement savings and fringe benefit plans

Employers get a deduction for amounts contributed to a qualified employee retirement plan or benefit plan. The employee does not recognize income with respect to the plan until he or she receives a distribution from the plan. The plan itself is organized as a trust and is considered a separate entity. For the plan to qualify for
tax exemption Tax exemption is the reduction or removal of a liability to make a compulsory payment that would otherwise be imposed by a ruling power upon persons, property, income, or transactions. Tax-exempt status may provide complete relief from taxes, reduc ...
, and for the employer to get a deduction, the plan must meet minimum participation, vesting, funding, and operational standards. Examples of qualified plans include: *Pension plans (
defined benefit pension plan A defined benefit (DB) pension plan is a type of pension plan A pension (, from Latin Latin (, or , ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken in th ...
), *Profit sharing plans (
defined contribution plan A defined contribution (DC) plan is a type of retirement plan A pension (, from Latin Latin (, or , ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken in ...
), *
Employee Stock Ownership Plan Employee stock ownership, or employee share ownership, is where a company's employees own shares in that company (or in the parent company of a group of companies). US Employees typically acquire shares through a share option plan. In the UK, Empl ...
(ESOPs), *Stock purchase plans, *Health insurance plans, *Employee benefit plans, *
Cafeteria plan A cafeteria plan is a type of employee benefit Employment is the relationship between two parties Image:'Hip, Hip, Hurrah! Artist Festival at Skagen', by Peder Severin Krøyer (1888) Demisted with DXO PhotoLab Clearview; cropped away bla ...
s. Employees or former employees are generally taxed on distributions from retirement or stock plans. Employees are not taxed on distributions from health insurance plans to pay for medical expenses. Cafeteria plans allow employees to choose among benefits (like choosing food in a cafeteria), and distributions to pay those expenses are not taxable. In addition, individuals may make contributions to
Individual Retirement Account An individual retirement account (IRA) in the United States is a form of "individual retirement plan", provided by many financial institutions, that provides tax advantage Tax advantage refers to the economic bonus which applies to certain account ...
s (IRAs). Those not currently covered by other retirement plans may claim a deduction for contributions to certain types of IRAs. Income earned within an IRA is not taxed until the individual withdraws it


Capital gains

Taxable income includes
capital gains Capital gain is an economic concept defined as the profit Profit may refer to: Business and law * Profit (accounting) Profit, in accounting Accounting or Accountancy is the measurement, processing, and communication of financial an ...
. However, individuals are taxed at a lower rate on long term capital gains and qualifying dividends (see below). A capital gain is the excess of the sales price over the
tax basis Under U.S. federal tax law, the tax basis of an asset is generally its cost basis Basis (or cost basis), as used in United States tax law The United States, United States of America has separate Federal government of the United States, federal, U ...
(usually, the cost) of capital assets, generally those assets not held for sale to customers in the ordinary course of business. Capital losses (where basis is more than sales price) are deductible, but deduction for long term capital losses is limited to the total capital gains for the year, plus for individuals up to $3,000 of ordinary income ($1,500 if married filing separately). An individual may exclude $250,000 ($500,000 for a married couple filing jointly) of capital gains on the sale of the individual's
primary residenceA person's primary residence, or main residence is the dwelling where they usually live, typically a house or an apartment. A person can only have one ''primary'' residence at any given time, though they may share the residence with other people. A ...
, subject to certain conditions and limitations. Gains on depreciable property used in a business are treated as ordinary income to the extent of depreciation previously claimed. In determining gain, it is necessary to determine which property is sold and the amount of basis of that property. This may require identification conventions, such as first-in-first-out, for identical properties like shares of stock. Further, tax basis must be allocated among properties purchased together unless they are sold together. Original basis, usually cost paid for the asset, is reduced by deductions for
depreciation In accountancy, depreciation refers to two aspects of the same concept: first, the actual decrease of fair value of an asset, such as the decrease in value of factory equipment each year as it is used and wear, and second, the allocation in a ...

depreciation
or loss. Certain capital gains are deferred; that is, they are taxed at a time later than the year of disposition. Gains on property sold for installment payments may be recognized as those payments are received. Gains on property exchanged fo
like kind
property are not recognized, and the tax basis of the new property is based on the tax basis of the old property. Before 1986 and from 2004 onward, individuals were subject to a reduced rate of federal tax on capital gains (called long-term capital gains) on certain property held more than 12 months. The reduced rate of 15% applied for regular tax and the Alternative Minimum Tax through 2011. The reduced rate also applies to dividends from corporations organized in the United States or a country with which the United States has an income tax treaty. This 15% rate was increased to 20% in 2012. Beginning in 2013, capital gains above certain thresholds is included in net investment income subject to an additional 3.8% tax. :*Capital gains up to $250,000 ($500,000 if filed jointly)
on real estate used as primary residence are exempt


Accounting periods and methods

The US tax system allows individuals and entities to choose their
tax year A fiscal year (or financial year, or sometimes budget year) is used in government accounting, which varies between countries, and for budget purposes. It is also used for financial reporting by businesses and other organizations. Laws in many jur ...
. Most individuals choose the calendar year. There are restrictions on choice of tax year for some closely held entities. Taxpayers may change their tax year in certain circumstances, and such change may require IRS approval. Taxpayers must determine their taxable income based on their method of accounting for the particular activity. Most individuals use the cash method for all activities. Under this method, income is recognized when received and deductions taken when paid. Taxpayers may choose or be required to use the accrual method for some activities. Under this method, income is recognized when the right to receive it arises, and deductions are taken when the liability to pay arises and the amount can be reasonably determined. Taxpayers recognizing
cost of goods sold Cost of goods sold (COGS) is the carrying value In accounting, book value is the value of an asset according to its balance sheet account balance. For assets, the value is based on the original cost of the asset less any depreciation, amortizatio ...
on inventory must use the accrual method with respect to sales and costs of the inventory. Methods of accounting may differ for financial reporting and tax purposes. Specific methods are specified for certain types of income or expenses. Gain on sale of property other than inventory may be recognized at the time of sale or over the period in which
installment sale In United States income tax law, an installment sale is generally a "disposition of property where at least 1 loan payment is to be received after the close of the taxable year in which the disposition occurs." The term "installment sale" does not ...
payments are received. Income from long-term contracts must be recognized ratably over the term of the contract, not just at completion. Other special rules also apply.


Other taxable and tax exempt entities


Partnerships and LLCs

Business entities treated as
partnerships A partnership is an arrangement where parties, known as business partnerA business partner is a commercial entity with which another commercial entity has some form of alliance. This relationship may be a contract A contract is a legally bin ...
ar
not subject to income tax
at the entity level. Instead, their member
include their shares
of income, deductions, and credits in computing their own tax. The character of the partner's share of income (such as capital gains) is determined at the partnership level. Many types of business entities, including
limited liability companies A limited liability company (LLC) is the US-specific form of a private limited company A private limited company is any type of business entity in Privately held company, "private" ownership used in many jurisdictions, in contrast to a Pub ...
(LLCs), may elect to be treated as a corporation or as a partnership. Distributions from partnerships are not taxed as dividends.


Corporations

Corporate tax is imposed in the U.S. at the federal, most state, and some local levels on the income of entities treated for tax purposes as corporations. Shareholders of a corporation wholly owned by U.S. citizens and resident individuals may elect for the corporation to be taxed similarly to partnerships, as an
S Corporation An S corporation, for United States federal income tax Income taxes in the United States are imposed by the Federal government of the United States, federal, most State governments in the United States, states, and many Local governments in th ...
. Corporate income tax is based on
taxable income Taxable income refers to the base upon which an income tax system imposes tax. In other words, the income over which the government imposed tax. Generally, it includes some or all items of income and is reduced by expenses and other deductions. Th ...
, which is defined similarly to individual taxable income. Shareholders (including other corporations) of corporations (other than S Corporations) are taxed on
dividend A dividend is a distribution of profit Profit may refer to: Business and law * Profit (accounting), the difference between the purchase price and the costs of bringing to market * Profit (economics), normal profit and economic profit * Profit ...

dividend
distributions from the corporation. They are also subject to tax on capital gains upon sale or exchange of their shares for money or property. However, certain exchanges, such as in reorganizations, are not taxable. Multiple corporations may file a
consolidated return Consolidated may refer to: *Consolidated (band) **''¡Consolidated!'', a 1989 extended play *Consolidated Aircraft (later Convair), an aircraft manufacturer *Consolidated city-county *Consolidated Communications *School district#District, Consolida ...
at the federal and some state levels with their common parent.


Corporate tax rates

Federal corporate income tax is imposed a
21%
from 2018. Dividend exclusions and certain corporation-only deductions may significantly lower the effective rate.


Deductions for corporations

Most expenses of corporations are deductible, subject to limitations also applicable to other taxpayers. See relevant deductions for details. In addition, regular U.S. corporations are allowed a deduction o
100% of dividends received
from 10% or more foreign subsidiaries
50% of amounts included in income
unde
section 951A
an
37.5% of foreign branch income
Some deductions of corporations are limited at federal or state levels. Limitations apply to items due t
related parties
including interest and royalty expenses.


Estates and trusts

Estates and trusts may b
subject to income tax
at the estate or trust level, or th
beneficiaries may be subject to income tax
on their share of income. Where income must be distributed, the beneficiaries are taxed similarly to partners in a partnership. Where income may be retained, the estate or trust is taxed. It may get a deduction for later distributions of income. Estates and trusts are allowed only those deductions related to producing income, plus $1,000. They are taxed at graduated rates that increase rapidly to the maximum rate for individuals. The tax rate for trust and estate income in excess of $11,500 was 35% for 2009. Estates and trusts are eligible for the reduced rate of tax on dividends and capital gains through 2011.


Tax-exempt entities

U.S. tax law exempts certain types of entities from income and some other taxes. These provisions arose during the late 19th century. Charitable organizations and cooperatives may apply to the IRS for
tax exemption Tax exemption is the reduction or removal of a liability to make a compulsory payment that would otherwise be imposed by a ruling power upon persons, property, income, or transactions. Tax-exempt status may provide complete relief from taxes, reduc ...
. Exempt organizations are still taxed on any business income. An organization which participates in
lobbying In politics Politics (from , ) is the set of activities that are associated with making decisions In psychology, decision-making (also spelled decision making and decisionmaking) is regarded as the Cognition, cognitive process resultin ...

lobbying
,
political campaign A political campaign is an organized effort which seeks to influence the decision making progress within a specific group. In democracy, democracies, political campaigns often refer to election, electoral campaigns, by which representatives a ...

political campaign
ing, or certain other activities may lose its exempt status. Special taxes apply to prohibited transactions and activities of tax-exempt entities.


Other tax items


Credits

The federal and state systems offer numerous
tax credits A tax credit is a tax incentive A tax incentive is an aspect of a country's tax code Tax law or revenue law is an area of legal study in which public or sanctioned authorities, such as federal, state and municipal governments (as in the ca ...
for individuals and businesses. Among the key federal credits for individuals are: * Child credit: For 2017, a credit up to $1,000 per qualifying child. For 2018–2025, the credit rose to $2,000 per qualifying child but made having a
Social Security Number In the United States, a Social Security number (SSN) is a nine-digit number issued to United States nationality law, U.S. citizens, Permanent residence (United States), permanent residents, and temporary (working) residents under section 205(c)(2) ...
(SSN) a condition of eligibility for each child. For 2021, the credit was temporarily raised to $3,000 per child aged 6–17 and $3,600 per qualifying child aged 0–5 and was made fully refundable. * Child and dependent care credit: a credit up to $2,100, phased out at incomes above $15,000. * Earned Income Tax Credit: this refundable credit is granted for a percentage of income earned by a low income individual. The credit is calculated and capped based on the number of qualifying children, if any. This credit is indexed for inflation and phased out for incomes above a certain amount. For 2015, the maximum credit was $6,422. *Credit for the elderly and disabled: A nonrefundable credit up to $1,125 *Two mutually exclusive credits for college expenses. Businesses are also eligible for several credits. These credits are available to individuals and corporations, and can be taken by partners in business partnerships. Among the federal credits included in a "general business credit" are: * Credit for increasing research expenses. *Work Incentive Credit or credit for hiring people in certain enterprise zones or on welfare. *A variety of industry specific credits. In addition, a federal
foreign tax credit A foreign tax credit (FTC) is generally offered by income tax systems that tax residents on worldwide income, to mitigate the potential for double taxation Double taxation is the levying of tax by two or more jurisdictions on the same income (in ...
is allowed for foreign income taxes paid. This credit is limited to the portion of federal income tax arising due to foreign source income. The credit is available to all taxpayers. Business credits and the foreign tax credit may be offset taxes in other years. States and some localities offer a variety of credits that vary by jurisdiction. States typically grant a credit to resident individuals for income taxes paid to other states, generally limited in proportion to income taxed in the other state(s).


Alternative minimum tax

Taxpayers must pay the higher of the regular income tax or the alternative minimum tax (AMT). Taxpayers who have paid AMT in prior years may claim a credit against regular tax for the prior AMT. The credit is limited so that regular tax is not reduced below current year AMT. AMT is imposed at a nearly flat rate (20% for corporations, 26% or 28% for individuals, estates, and trusts) on taxable income as modified for AMT. Key differences between regular taxable income and AMT taxable income include: *The standard deduction and personal exemptions are replaced by a single deduction, which is phased out at higher income levels, *No deduction is allowed for individuals for state taxes, *Most miscellaneous itemized deductions are not allowed for individuals, *Depreciation deductions are computed differently, and *Corporations must make a complex adjustment to more closely reflect economic income.


Special taxes

There are many federal tax rules designed to prevent people from abusing the tax system. Provisions related to these taxes are often complex. Such rules include: *Accumulated earnings tax on corporation accumulations in excess of business needs, * Personal holding company taxes, * Passive foreign investment company rules, and *
Controlled foreign corporation Controlled foreign corporation (CFC) rules are features of an income tax An income tax is a tax A tax is a compulsory financial charge or some other type of levy imposed on a taxpayer (an individual or legal entity In law Law is a ...
provisions.


Special industries

Tax rules recognize that some types of businesses do not earn income in the traditional manner and thus require special provisions. For example, insurance companies must ultimately pay claims to some policy holders from the amounts received as premiums. These claims may happen years after the premium payment. Computing the future amount of claims requires actuarial estimates until claims are actually paid. Thus, recognizing premium income as received and claims expenses as paid would seriously distort an insurance company's income. Special rules apply to some or all items in the following industries:
Insurance companies
(rules related to recognition of income and expense; different rules apply to life insurance and to property and casualty insurance) *Shipping (rules related to the revenue recognition cycle)

(rules related to expenses for exploration and development and for recovery of capitalized costs) In addition, mutual funds

are subject to special rules allowing them to be taxed only at the owner level. The company must report to each owner his/her share of ordinary income, capital gains, and creditable foreign taxes. The owners then include these items in their own tax calculation. The fund itself is not taxed, and distributions are treated as a
return of capital {{Unreferenced, date=February 2007 Return of capital (ROC) refers to principal Principal may refer to: Title or rank * Principal (academia) The principal is the chief executive and the chief academic officer of a university A university ( l ...
to the owners. Similar rules apply t
real estate investment trusts
an


State, local and territorial income taxes

Income tax is also levied by most
U.S. state In the United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state ...
s and many localities on individuals, corporations, estates, and trusts. These taxes are in addition to federal income tax and are deductible for federal tax purposes. State and local income tax rates vary from 1% to 16% of taxable income. Some state and local income tax rates are flat (single rate) and some are graduated. State and local definitions of what income is taxable vary highly. Some states incorporate the federal definitions by reference. Taxable income is defined separately and differently for individuals and corporations in some jurisdictions. Some states impose alternative or additional taxes based on a second measure of income or capital. States and localities tend to tax all income of residents. States and localities only tax nonresidents on income allocated or apportioned to the jurisdiction. Generally, nonresident individuals are taxed on wages earned in the state based on the portion of days worked in the state. Many states require partnerships to pay tax for nonresident partners. Tax returns are filed separately for states and localities imposing income tax, and may be due on dates that differ from federal due dates. Some states permit related corporations to file combined or consolidated returns. Most states and localities imposing income tax require estimated payments where tax exceeds certain thresholds, and require
withholding tax Tax withholding, also known as tax retention, Pay-as-You-Go, Pay-as-You-Earn, or a ''Prélèvement à la source'', is income tax An income tax is a tax A tax is a compulsory financial charge or some other type of levy imposed on a taxpayer ...
on payment of wages.
Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Commonwealth of Puerto Rico ( es, link=yes, Estado Libre Asociado de Puerto Rico, lit=Free Associated State of Puerto Rico) is a Caribbean island and Unincorporated ...

Puerto Rico
also imposes its own taxation laws; however, unlike in the states, only some residents there pay federal income taxes (though everyone must pay all other federal taxes).Contrary to common misconception, residents of Puerto Rico do pay U.S. federal taxes: customs taxes (which are subsequently returned to the Puerto Rico Treasury) (Se
Dept of the Interior, Office of Insular Affairs. DOI.gov)
, import/export taxes (Se
Stanford.wellsphere.com)
, federal commodity taxes (Se
Stanford.wellsphere.com)
, social security taxes (Se

etc. Residents pay federal
payroll tax Payroll taxes are taxes imposed on employers or employees, and are usually calculated as a percentage of the salaries that employers pay their employees. By law, some payroll taxes are the responsibility of the employee and others fall on the em ...
es, such as
Social Security Welfare (or commonly, social welfare) is a type of government support intended to ensure that members of a society can meet basic human needs Maslow's hierarchy of needs is an idea in psychology Psychology is the science of mind and ...
(Se
IRS.gov
and Medicare (Se
Reuters.com)
as well as Commonwealth of Puerto Rico income taxes (Se

an

). All federal employees (Se
Heritage.org)
, those who do business with the federal government (Se
MCVPR.com)
, Puerto Rico-based corporations that intend to send funds to the U.S. (Se
p. 9, line 1.)
and some others (For example, Puerto Rican residents that are members of the U.S. military, Se
Heritage.org
; and Puerto Rico residents who earned income from sources outside Puerto Rico, Se
pp 14–15.)
also pay federal income taxes. In addition, because the cutoff point for income taxation is lower than that of the U.S. IRS code, and because the per-capita income in Puerto Rico is much lower than the average per-capita income on the mainland, more Puerto Rico residents pay income taxes to the local taxation authority than if the IRS code were applied to the island. This occurs because "the Commonwealth of Puerto Rico government has a wider set of responsibilities than do U.S. State and local governments" (Se
GAO.gov
. As residents of Puerto Rico pay into Social Security, Puerto Ricans are eligible for Social Security benefits upon retirement, but are excluded from the
Supplemental Security Income Supplemental Security Income (SSI) is a means-tested A means test is a determination of whether an individual or family is eligible for government assistance or welfare Welfare is a type of government support intended to ensure that membe ...
(SSI) (Commonwealth of Puerto Rico residents, unlike residents of the Commonwealth of the Northern Mariana Islands and residents of the 50 States, do not receive the SSI. Se
Socialsecurity.gov)
and the island actually receives less than 15% of the
Medicaid Medicaid in the United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country in . It consists of 50 , a , five major , 326 , and some . At , it is the world's . Th ...
funding it would normally receive if it were a U.S. state. However, Medicare providers receive less-than-full state-like reimbursements for services rendered to beneficiaries in Puerto Rico, even though the latter paid fully into the system (Se
p 252).
In general, "many federal social welfare programs have been extended to Puerto Rican (''sic'') residents, although usually with caps inferior to those allocated to the states." (The Louisiana Purchase and American Expansion: 1803–1898. By Sanford Levinson and Bartholomew H. Sparrow. New York: Rowman and Littlefield Publishers. 2005. Page 167. For a comprehensive coverage of federal programs made extensive to Puerto Rico see Richard Cappalli's Federal Aid to Puerto Rico (1970)). It has also been estimated (Se

that, because the population of the Island is greater than that of 50% of the States, if it were a state, Puerto Rico would have six to eight seats in the House, in addition to the two seats in the Senate.(Se

an
Thomas.gov
Puerto_Rico_Democracy_Act_of_2007 The_Puerto_Rico_Democracy_Act_is_a_bill_(proposed_law),_bill_to_provide_for_a_federally_sanctioned_self-determination_process_for_the_people_of_Puerto_Rico. This_act_would_provide_for_plebiscites_to_be_held_in_Puerto_Rico_to_determine_Politic_...
."_These_are_the_steps_to_follow
THOMAS.gov
>_Committee_Reports_>_110_>_drop_down_"Word/Phrase"_and_pick_"Report_Number"_>_type_"597"_next_to_Report_Number._This_will_provide_the_document_"House_Report_110-597_-__2007",_then_from_the_Table_of_Contents_choose_"Background_and_need_for_legislation".)._Another_misconception_is_that_the_import/export_taxes_collected_by_the_U.S._on_products_manufactured_in_Puerto_Rico_are_all_returned_to_the_Puerto_Rico_Treasury._This_is_not_the_case._Such_import/export_taxes_are_returned_''only''_for_rum_products,_and_even_then_the_US_Treasury_keeps_a_portion_of_those_taxes_(See_the_"House_Report_110-597_-_Puerto_Rico_Democracy_Act#Puerto_Rico_Democracy_Act_of_2007.html" "title="Puerto Rico Democracy Act#Puerto Rico Democracy Act of 2007">Puerto Rico Democracy Act of 2007 The Puerto Rico Democracy Act is a bill (proposed law), bill to provide for a federally sanctioned self-determination process for the people of Puerto Rico. This act would provide for plebiscites to be held in Puerto Rico to determine Politic ...
." These are the steps to follow
THOMAS.gov
> Committee Reports > 110 > drop down "Word/Phrase" and pick "Report Number" > type "597" next to Report Number. This will provide the document "House Report 110-597 - 2007", then from the Table of Contents choose "Background and need for legislation".). Another misconception is that the import/export taxes collected by the U.S. on products manufactured in Puerto Rico are all returned to the Puerto Rico Treasury. This is not the case. Such import/export taxes are returned ''only'' for rum products, and even then the US Treasury keeps a portion of those taxes (See the "House Report 110-597 - Puerto Rico Democracy Act#Puerto Rico Democracy Act of 2007">Puerto Rico Democracy Act of 2007 The Puerto Rico Democracy Act is a bill (proposed law), bill to provide for a federally sanctioned self-determination process for the people of Puerto Rico. This act would provide for plebiscites to be held in Puerto Rico to determine Politic ...
" mentioned above.) The other unincorporated territories of Guam, American Samoa, the Northern Mariana Islands and the U.S. Virgin Islands, Virgin Islands also impose their own income taxation laws, under a "mirror" tax law based on federal income tax law.


International aspects

The United States imposes tax on all citizens of the United States, including those who are residents of other countries, all individuals who are residents for tax purposes, and domestic corporations, defined as corporations created or organized in the United States or under Federal or state law. Federal income tax is imposed on citizens, residents, and domestic corporations based on their worldwide income. To mitigate double taxation, a credit is allowed for foreign income taxes. This
foreign tax credit A foreign tax credit (FTC) is generally offered by income tax systems that tax residents on worldwide income, to mitigate the potential for double taxation Double taxation is the levying of tax by two or more jurisdictions on the same income (in ...
is limited to that part of current year tax attributable to foreign source income. Determining such part involves determining the source of income and allocating and apportioning deductions to that income. Many (but not all) tax resident individuals and corporations on their worldwide income, but few allow a credit for foreign taxes. In addition, federal income tax may be imposed on non-resident non-citizens as well as foreign corporations on U.S. source income. Federal tax applies to interest, dividends, royalties, and certain other income of nonresident aliens and foreign corporations not effectively connected with a U.S. trade or business at a flat rate of 30%. This rate is often reduced under
tax treaties Many countries have entered into tax treaties (also called double tax agreements, or DTAs) with other countries to avoid or mitigate double taxation. Such treaties may cover a range of taxes including income taxes, inheritance taxes, value added ta ...
. Foreign persons are taxed on income effectively connected with a U.S. business and gains on U.S. realty similarly to U.S. persons. Nonresident aliens who are present in the United States for a period of 183 days in a given year are subject to U.S. capital gains tax on certain net capital gains realized during that year from sources within the United States. The states tax non-resident individuals only on income earned within the state (wages, etc.), and tax individuals and corporations on business income apportioned to the state. The United States has income
tax treaties Many countries have entered into tax treaties (also called double tax agreements, or DTAs) with other countries to avoid or mitigate double taxation. Such treaties may cover a range of taxes including income taxes, inheritance taxes, value added ta ...
wit
over 65 countries
These treaties reduce the chance of double taxation by allowing each country to fully tax its citizens and residents and reducing the amount the other country can tax them. Generally the treaties provide for reduced rates of tax on investment income and limits as to which business income can be taxed. The treaties each define which taxpayers can benefit from the treaty. U.S. treaties do not apply to income taxes imposed by the states or political subdivisions, except for the non discrimination provisions that appear in almost every treaty. Also, U.S. treaties generally do not permit U.S. persons from invoking treaty provisions with respect to U.S. taxes, with certain relatively standard exceptions.


Tax collection and examinations


Tax returns

Individuals (with income above a minimum level), corporations, partnerships, estates, and trusts must file annual reports, called tax returns, with federal and appropriate state tax authorities. These returns vary greatly in complexity level depending on the type of filer and complexity of their affairs. On the return, the taxpayer reports income and deductions, calculates the amount of tax owed, reports payments and credits, and calculates the balance due. Federal individual, estate, and trust income tax returns are due by April 15Publication 509: Tax Calendars for use in 2017
U.S. Internal Revenue Service, Cat. No. 15013X
(in 2017, April 18) for most taxpayers. Corporate and partnership federal returns are due two and one half months following the corporation's year end. Tax exempt entity returns are due four and one half months following the entity's year end. All federal returns may b

with most extensions available upon merely filing a single page form. Due dates and extension provisions for state and local income tax returns vary. Income tax returns generally consist of the basic form with attached forms and schedules. Several forms are available for individuals and corporations, depending on complexity and nature of the taxpayer's affairs. Many individuals are able to use the one pag
Form 1040-EZ
which requires no attachments except wage statements from employers
Forms W-2
. Individuals claiming itemized deductions must complet
Schedule A
Similar schedules apply for interest (B), dividends (B), business income (C), capital gains (D), farm income (F), and self-employment tax (SE). All taxpayers must file those forms for credits, depreciation, AMT, and other items that apply to them. Electronic filing of tax returns may be done for taxpayers by registered tax preparers. If a taxpayer discovers an error on a return, or determines that tax for a year should be different, the taxpayer should file an amended return. These returns constitute claims for refund if taxes are determined to have been overpaid. The IRS, state, and local tax authorities may examine a tax return and propose changes. Changes to tax returns may be made with minimal advance involvement by taxpayers, such as changes to wage or dividend income to correct errors. Other examination of returns may require extensive taxpayer involvement, such as an audit by the IRS. These audits often require that taxpayers provide the IRS or other tax authority access to records of income and deductions. Audits of businesses are usually conducted by IRS personnel at the business location. Changes to returns are subject to appeal by the taxpayer, including going to court. IRS changes are often first issued a
proposed adjustments
The taxpayer may agree to the proposal, or may advise the IRS why it disagrees. Proposed adjustments are often resolved by the IRS and taxpayer agreeing to what the adjustment should be. For those adjustments to which agreement is not reached, the IRS issues

advising of the adjustment. The taxpayer ma
appeal
this preliminary assessment within 30 days within the IRS. The Appeals Division reviews the IRS field team determination and taxpayer arguments, and often proposes a solution that the IRS team and the taxpayer find acceptable. Where agreement is still not reached, the IRS issues an assessment as a notice of deficiency o

The taxpayer then has three choices: file suit in
United States Tax Court The United States Tax Court (in case citation Case citation is a system used by legal professionals to identify past court case A legal case is in a general sense a dispute between opposing parties which may be resolved by a court A ...
without paying the tax, pay the tax and sue for refund in regular court, or pay the tax and be done. Recourse to court can be costly and time-consuming, but is often successful. IRS computers routinely make adjustments to correct mechanical errors in returns. In addition, the IRS conducts an extensive document matching computer program that compares taxpayer amounts of wages, interest, dividends, and other items to amounts reported by taxpayers. These programs automatically issue 30-day letters advising of proposed changes. Only a very small percentage of tax returns are actually examined. These are selected by a combination of computer analysis of return information and random sampling. The IRS has long maintained
program to identify patterns
on returns most likely to require adjustment. Procedures for examination by state and local authorities vary by jurisdiction.


Tax collection

Taxpayers are required to pay all taxes owed based on the self-assessed tax returns, as adjusted. The IR

allows taxpayers to in certain circumstances, and provides time payment plans that include interest and a "penalty" that is merely added interest. Where taxpayers do not pay tax owed, the IRS has strong means to enforce collection. These include the ability to levy bank accounts and seize property. Generally, significant advance notice is given before levy or seizure. However, in certain rarely use

the IRS may immediately seize money and property. The IR

are responsible for most collection activities.


Withholding of tax

Persons paying wages or making certain payments to foreign persons are required to withhold income tax from such payments. Income tax withholding on wages is based o
declarations by employees
an
tables provided by the IRS
Persons paying interest, dividends, royalties, and certain other amounts to foreign persons must also withhold income tax at a flat rate of 30%. This rate may be reduced by a
tax treaty Many countries have entered into tax treaties (also called double tax agreements, or DTAs) with other countries to avoid or mitigate double taxation Double taxation is the levying of tax by two or more jurisdictions on the same income (in the case ...
. These withholding requirements also apply to non-U.S. financial institutions. Additiona
backup withholding
provisions apply to some payments of interest or dividends to U.S. persons. The amount of income tax withheld is treated as a payment of tax by the person receiving the payment on which tax was withheld. Employers and employees must also pay
Social Security tax The Federal Insurance Contributions Act (FICA ) is a United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in N ...
, the employee portion of which is also to be withheld from wages. Withholding of income and Social Security taxes are often referred to as
payroll tax Payroll taxes are taxes imposed on employers or employees, and are usually calculated as a percentage of the salaries that employers pay their employees. By law, some payroll taxes are the responsibility of the employee and others fall on the em ...
.


Statute of limitations

The IRS is precluded from assessing additional tax after a certain period of time. In the case of federal income tax, this period is generally three years from the later of the due date of the original tax return or the date the original return was filed. The IRS has an additional three more years to make changes if the taxpayer has substantially understated gross income. The period under which the IRS may make changes is unlimited in the case of fraud, or in the case of failure to file a return.


Penalties

Taxpayers who fail to file returns, file late, or file returns that are wrong, may be subject to penalties. These penalties vary based on the type of failure. Some penalties are computed like interest, some are fixed amounts, and some are based on other measures. Penalties for filing or paying late are generally based on the amount of tax that should have been paid and the degree of lateness. Penalties for failures related to certain forms are fixed amounts, and vary by form from very small to huge. Intentional failures, including tax fraud, may result in criminal penalties. These penalties may include jail time or forfeiture of property. Criminal penalties are assessed in coordination with the
United States Department of Justice The United States Department of Justice (DOJ), also known as the Justice Department, is a federal executive department of the United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) o ...
.


History


Constitutional

Article I, Section 8, Clause 1 of the United States Constitution (the "
Taxing and Spending Clause The Taxing and Spending Clause (which contains provisions known as the General Welfare Clause and the Uniformity Clause), Article I, Section 8, Clause 1 of the United States Constitution The Constitution of the United States is the Su ...
"), specifies
Congress Congresses are formal meetings of the representatives of different countries A country is a distinct territorial body or political entity A polity is an identifiable political entity—any group of people who have a collective identity ...

Congress
's power to impose "Taxes, Duties, Imposts and Excises", but Article I, Section 8 requires that, "Duties, Imposts and Excises shall be uniform throughout the United States." The Constitution specifically stated Congress' method of imposing direct taxes, by requiring Congress to distribute direct taxes in proportion to each state's population "determined by adding to the whole Number of free Persons, including those bound to Service for a Term of Years, and excluding Indians not taxed, three fifths of all other Persons". It has been argued that
head tax A poll tax, also known as head tax or capitation, is a tax A tax is a compulsory financial charge or some other type of levy imposed on a taxpayer (an individual or legal entity In law, a legal person is any person A person (plural pe ...
es and
property tax A property tax or millage rate is an ad valorem tax An ''ad valorem'' tax (Latin language, Latin for "according to value") is a tax whose amount is based on the value of a transaction or of property. It is typically imposed at the time of a ...
es (slaves could be taxed as either or both) were likely to be abused, and that they bore no relation to the activities in which the federal government had a legitimate interest. The fourth clause of section 9 therefore specifies that, "No Capitation, or other direct, Tax shall be laid, unless in Proportion to the Census or enumeration herein before directed to be taken." Taxation was also the subject of Federalist No. 33 penned secretly by the Federalist
Alexander Hamilton Alexander Hamilton (January 11, 1755 or 1757July 12, 1804) was an American statesman, politician, legal scholar, military commander, lawyer, banker, and economist. He was one of the Founding Fathers of the United States The Founding Fa ...

Alexander Hamilton
under the
pseudonym A pseudonym () (originally: ψευδώνυμος in Greek) or alias () is a fictitious name that a person or group assumes for a particular purpose, which differs from their original or true name (orthonym). This also differs from a new name tha ...
Publius
Publius
. In it, he asserts that the wording of the "Necessary and Proper" clause should serve as guidelines for the legislation of laws regarding taxation. The legislative branch is to be the judge, but any abuse of those powers of judging can be overturned by the people, whether as states or as a larger group. The courts have generally held that direct taxes are limited to taxes on people (variously called "capitation", "poll tax" or "head tax") and property. All other taxes are commonly referred to as "indirect taxes," because they tax an event, rather than a person or property ''per se.'' What seemed to be a straightforward limitation on the power of the legislature based on the subject of the tax proved inexact and unclear when applied to an income tax, which can be arguably viewed either as a direct or an indirect tax.


Early federal income taxes

The first income tax suggested in the United States was during the
War of 1812 The War of 1812 (18 June 1812 – 17 February 1815) was a conflict fought by the United States of America The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country in . It ...
. The idea for the tax was based on the British Tax Act of 1798. The British tax law applied progressive rates to income. The British tax rates ranged from 0.833% on income starting at £60 to 10% on income above £200. The tax proposal was developed in 1814. Because the treaty of Ghent was signed in 1815, ending hostilities and the need for additional revenue, the tax was never imposed in the United States. In order to help pay for its war effort in the
American Civil War The American Civil War (also known by other names Other most often refers to: * Other (philosophy), a concept in psychology and philosophy Other or The Other may also refer to: Books * The Other (Tryon novel), ''The Other'' (Tryon nove ...
, Congress imposed the first federal income tax in U.S. history through passage of the Revenue Act of 1861. The act created a flat tax of three percent on incomes above $800 ($ in current dollar terms). This taxation of income reflected the increasing amount of wealth held in stocks and bonds rather than property, which the federal government had taxed in the past. The Revenue Act of 1862 established the first national Estate tax in the United States, inheritance tax and added a progressive taxation structure to the federal income tax, implementing a tax of five percent on incomes above $10,000. Congress later further raised taxes, and by the end of the war, the income tax constituted about one-fifth of the revenue of the federal government. To collect these taxes, Congress created the Office of the Commissioner of Internal Revenue within the Treasury Department. The federal income tax would remain in effect until its repeal in 1872. In 1894, History of the United States Democratic Party, Democrats in Congress passed the Wilson-Gorman tariff, which imposed the first peacetime income tax. The rate was 2% on income over $4,000, which meant fewer than 10% of households would pay any. The purpose of the income tax was to make up for revenue that would be lost by tariff reductions. In 1895 the United States Supreme Court, in its ruling in ''Pollock v. Farmers' Loan & Trust Co.,'' held a tax based on receipts from the use of property to be unconstitutional. The Court held that taxes on Economic rent, rents from real estate, on interest income from personal property and other income from personal property (which includes
dividend A dividend is a distribution of profit Profit may refer to: Business and law * Profit (accounting), the difference between the purchase price and the costs of bringing to market * Profit (economics), normal profit and economic profit * Profit ...

dividend
income) were treated as direct taxes on property, and therefore had to be apportioned (divided among the states based on their populations). Since apportionment of income taxes is impractical, this had the effect of prohibiting a federal tax on income from property. However, the Court affirmed that the Constitution did not deny Congress the power to impose a tax on real and personal property, and it affirmed that such would be a direct tax. Due to the political difficulties of taxing individual wages without taxing income from property, a federal income tax was impractical from the time of the ''Pollock'' decision until the time of ratification of the Sixteenth Amendment (below).


Progressive Era

For several years, the issue of an income tax lay unaddressed. In 1906, President Political_positions_of_Theodore_Roosevelt#Taxation_and_trade, Theodore Roosevelt revived the idea in his Sixth Annual Message to Congress.Origins of the Modern Income Tax, 1894–1913
p. 18 , University of Delaware
He said:
There is every reason why, when next our system of taxation is revised, the National Government should impose a graduated inheritance tax, and, if possible, a graduated income tax.
During the speech he cited the ''Pollock'' case without naming it specifically. The income tax became an issue again in Roosevelt's later speeches, including the 1907 State of the Union, and during the 1912 election campaign. Roosevelt's successor, William Howard Taft, also took up the issue of the income tax. Like Roosevelt, Taft cited the ''Pollock'' decision and gave a major speech in June 1909 regarding the Income Tax.June 16, 1909: Message Regarding Income Tax
William Howard Taft
One month later, Congress passed the resolution that would become the 16th Amendment.


Ratification of the Sixteenth Amendment

In response, Congress proposed the Sixteenth Amendment to the United States Constitution, Sixteenth Amendment (ratified by the requisite number of states in 1913), which states:
The Congress shall have power to lay and collect taxes on incomes, from whatever source derived, without apportionment among the several States, and without regard to any census or enumeration.
The Supreme Court of the United States, Supreme Court in ''Brushaber v. Union Pacific Railroad,'' , indicated that the amendment did not expand the federal government's existing power to tax income (meaning profit or gain from any source) but rather removed the possibility of classifying an income tax as a direct tax on the basis of the source of the income. The Amendment removed the need for the income tax to be apportioned among the states on the basis of population. Income taxes are required, however, to abide by the law of geographical uniformity. Some Tax protester (United States), tax protesters and others opposed to income taxes cite what they contend is evidence that the Sixteenth Amendment was never properly ratification, ratified, based in large part on materials sold by William J. Benson. In December 2007, Benson's "The Law that Never Was, Defense Reliance Package" containing his non-ratification argument which he offered for sale on the Internet, was ruled by a federal court to be a "fraud perpetrated by Benson" that had "caused needless confusion and a waste of the customers' and the IRS' time and resources". The court stated: "Benson has failed to point to evidence that would create a genuinely disputed fact regarding whether the Sixteenth Amendment was properly ratified or whether United States Citizens are legally obligated to pay federal taxes." ''See also Tax protester Sixteenth Amendment arguments.''


Modern interpretation of the power to tax incomes

The modern interpretation of the Sixteenth Amendment taxation power can be found in ''Commissioner v. Glenshaw Glass Co.'' . In that case, a taxpayer had received an award of punitive damages from a competitor for antitrust violations and sought to avoid paying taxes on that award. The Court observed that Congress, in imposing the income tax, had defined
gross income For households and individuals, gross income is the sum of all wages A wage is the distribution from an employer Employment is the relationship between two party (law), parties, usually based on a employment contract, contract where wo ...
, under the Internal Revenue Code, Internal Revenue Code of 1939, to include:
gains, profits, and income derived from salaries, wages or compensation for personal service ... of whatever kind and in whatever form paid, or from professions, vocations, trades, businesses, commerce, or sales, or dealings in property, whether real or personal, growing out of the ownership or use of or interest in such property; also from interest, rent, dividends, securities, or the transaction of any business carried on for gain or profit, or gains or profits and income derived from any source whatever.348 U.S.
(Note: The ''Glenshaw Glass'' case was an interpretation of the definition of "gross income" in section 22 of the Internal Revenue Code of 1939. The successor to section 22 of the 1939 Code is section 61 of the current Internal Revenue Code of 1986, as amended.) The Court held that "this language was used by Congress to exert in this field the full measure of its taxing power", id., and that "the Court has given a liberal construction to this broad phraseology in recognition of the intention of Congress to tax all gains except those specifically exempted." The Court then enunciated what is now understood by Congress and the Courts to be the definition of taxable income, "instances of undeniable accessions to wealth, clearly realized, and over which the taxpayers have complete dominion." Id. at 431. The defendant in that case suggested that a 1954 rewording of the tax code had limited the income that could be taxed, a position which the Court rejected, stating:
The definition of gross income has been simplified, but no effect upon its present broad scope was intended. Certainly punitive damages cannot reasonably be classified as gifts, nor do they come under any other exemption provision in the Code. We would do violence to the plain meaning of the statute and restrict a clear legislative attempt to bring the taxing power to bear upon all receipts constitutionally taxable were we to say that the payments in question here are not gross income.
Tax statutes passed after the ratification of the Sixteenth Amendment in 1913 are sometimes referred to as the "modern" tax statutes. Hundreds of Congressional acts have been passed since 1913, as well as several codifications (i.e., topical reorganizations) of the statutes (see Codification (law), Codification). In ''Central Illinois Public Service Co. v. United States'', , the U.S. Supreme Court confirmed that wages and income are not identical as far as taxes on income are concerned, because income not only ''includes'' wages, but any ''other'' gains as well. The Court in that case noted that in enacting taxation legislation, Congress "chose not to return to the inclusive language of the Tariff Act of 1913, but, specifically, 'in the interest of simplicity and ease of administration,' confined the ''obligation to withhold'' [income taxes] to 'salaries, wages, and other forms of compensation for personal services'" and that "committee reports ... stated consistently that 'wages' meant remuneration 'if paid for services performed by an employee for his employer'". Other courts have noted this distinction in upholding the taxation not only of wages, but also of personal gain derived from ''other'' sources, recognizing some limitation to the reach of income taxation. For example, in ''Conner v. United States'', 303 F. Supp. 1187 (S.D. Tex. 1969), ''aff'd in part and rev'd in part'', 439 F.2d 974 (5th Cir. 1971), a couple had lost their home to a fire, and had received compensation for their loss from the insurance company, partly in the form of hotel costs reimbursed. The court acknowledged the authority of the IRS to assess taxes on all forms of payment, but did not permit taxation on the compensation provided by the insurance company, because unlike a wage or a sale of goods at a profit, this was not a gain. As the Court noted, "Congress has taxed income, not compensation". By contrast, other courts have interpreted the Constitution as providing even broader taxation powers for Congress. In ''Murphy v. IRS'', the United States Court of Appeals for the District of Columbia Circuit upheld the federal income tax imposed on a monetary settlement recovery that the same court had previously indicated was not income, stating: "[a]lthough the 'Congress cannot make a thing income which is not so in fact,'... it can ''label'' a thing income and tax it, so long as it acts within its constitutional authority, which includes not only the Sixteenth Amendment but also Article I, Sections 8 and 9." Similarly, in ''Penn Mutual Indemnity Co. v. Commissioner'', the United States Court of Appeals for the Third Circuit indicated that Congress could properly impose the federal income tax on a receipt of money, regardless of what that receipt of money is called:
It could well be argued that the tax involved here [an income tax] is an "excise tax" based upon the receipt of money by the taxpayer. It certainly is not a tax on property and it certainly is not a capitation tax; therefore, it need not be apportioned. ... Congress has the power to impose taxes generally, and if the particular imposition does not run afoul of any constitutional restrictions then the tax is lawful, call it what you will.


Income tax rates in history


History of top rates

* In 1913, the top tax rate was 7% on incomes above $500,000 (equivalent to $ in dollars) and a total of $28.3 million was collected. * During World War I, the top rate rose to 77% and the income threshold to be in this top bracket increased to $1,000,000 (equivalent to $ in dollars). * Under Treasury Secretary Andrew Mellon, top tax rates were reduced in 1921, 1924, 1926, and 1928. Mellon argued that lower rates would spur economic growth. By 1928, the top rate was scaled down to 24% along with the income threshold for paying this rate lowered to $100,000 (equivalent to $ in dollars). * During the Great Depression and World War II, the top income tax rate rose from pre-war levels. In 1939, the top rate was 75% applied to incomes above $5,000,000 (equivalent to $ in dollars). During 1944 and 1945, the top rate was its all-time high at 94% applied to income above $200,000 (equivalent to $ in dollars). * The highest marginal tax rate for individuals for U.S. federal income tax purposes for tax years 1952 and 1953 was 92%. * From 1964 to 2013, the threshold for paying top income tax rate has generally been between $200,000 and $400,000 (unadjusted for inflation). The one exception is the period from 1982 to 1992 when the topmost income tax brackets were removed. From 1981 until 1986 the top marginal rate was lowered to 50% on $86,000 and up (equivalent to $ in dollars). From 1988 to 1990, the threshold for paying the top rate was even lower, with incomes above $29,750 (equivalent to $ in dollars) paying the top rate of 28% in those years. * Top tax rates were increased in 1992 and 1994, culminating in a 39.6% top individual rate applicable to all classes of income. * Top individual tax rates were lowered in 2004 to 35% and tax rates on dividends and capital gains lowered to 15%, with the Bush administration claiming lower rates would spur economic growth. * Based on the summary of federal tax income data in 2009, with a tax rate of 35%, the highest earning 1% of people paid 36.7% of the United States' income tax revenue. * In 2012, President Obama announced plans to raise the two top tax rates from 35% to 39.6% and from 33% to 36%.


Federal income tax rates

Federal and state income tax rates have varied widely since 1913. For example, in 1954, the federal income tax was based on layers of 24 income brackets at tax rates ranging from 20% to 91% (for a chart, see Internal Revenue Code of 1954). Below is a table of historical marginal income tax rates for married filing jointly tax payers at stated income levels. These income numbers are not the amounts used in the tax laws at the time.


Controversies


The complexity of the U.S. income tax laws

United States tax law attempts to define a comprehensive system of measuring income in a complex economy. Many provisions defining income or granting or removing benefits require significant definition of terms. Further, many state income tax laws do not conform with federal tax law in material respects. These factors and others have resulted in substantial complexity. Even venerable legal scholars like Judge Learned Hand have expressed amazement and frustration with the complexity of the U.S. income tax laws. In the article, ''Thomas Walter Swan'', 57 Yale Law Journal No. 2, 167, 169 (December 1947), Judge Hand wrote:
In my own case the words of such an act as the Income Tax ... merely dance before my eyes in a meaningless procession: cross-reference to cross-reference, exception upon exception—couched in abstract terms that offer [me] no handle to seize hold of [and that] leave in my mind only a confused sense of some vitally important, but successfully concealed, purport, which it is my duty to extract, but which is within my power, if at all, only after the most inordinate expenditure of time. I know that these monsters are the result of fabulous industry and ingenuity, plugging up this hole and casting out that net, against all possible evasion; yet at times I cannot help recalling a saying of William James about certain passages of Hegel: that they were no doubt written with a passion of rationality; but that one cannot help wondering whether to the reader they have any significance save that the words are strung together with syntactical correctness.
Complexity is a separate issue from flatness of rate structures. Also, in the United States, income tax laws are often used by legislatures as policy instruments for encouraging numerous undertakings deemed socially useful — including the buying of life insurance, the funding of employee health care and pensions, the raising of children, home ownership, and the development of alternative energy sources and increased investment in conventional energy. Special tax provisions granted for any purpose increase complexity, irrespective of the system's flatness or lack thereof.


Proposals for changes of income taxation

Proposals have been made frequently to change tax laws, often with the backing of specific interest groups. Organizations making such proposals include Citizens for Tax Justice, Americans for Tax Reform, Americans for Tax Fairness, Citizens for an Alternative Tax System, Americans For Fair Taxation, and FreedomWorks. Various proposals have been put forth for tax simplification in Congress including the ''Fair Tax Act'' and various Flat tax plans.


Alternatives

Proponents of a consumption tax argue that the income tax system creates perverse incentives by encouraging taxpayers to spend rather than save: a taxpayer is only taxed once on income spent immediately, while any interest earned on saved income is itself taxed. To the extent that this is considered unjust, it may be remedied in a variety of ways, e.g. excluding investment income from taxable income, making investments deductible and therefore only taxing them when gains are realized, or replacing the income tax by other forms of tax, such as a sales tax.


Taxation vs. the states

Some economists believe income taxation offers the federal government a technique to diminish the power of the states, because the federal government is then able to distribute funding to states with conditions attached, often giving the states no choice but to submit to federal demands.


Tax protestors

Numerous tax protester arguments have been raised asserting that the federal income tax is unconstitutional, including discredited claims that the Sixteenth Amendment was not properly ratified. All such claims have been repeatedly rejected by the federal courts as Frivolous litigation, frivolous.


Distribution

In the United States, a progressive tax, progressive tax system is employed which equates to higher income earners paying a larger percentage of their income in taxes. According to the IRS, the top 1% of income earners for 2008 paid 38% of income tax revenue, while earning 20% of the income reported. The top 5% of income earners paid 59% of the total income tax revenue, while earning 35% of the income reported. The top 10% paid 70%, earning 46% and the top 25% paid 86%, earning 67%. The top 50% paid 97%, earning 87% and leaving the bottom 50% paying 3% of the taxes collected and earning 13% of the income reported. From 1979 to 2007 the average federal income tax rate fell 110% for the second lowest quintile, 56% for the middle quintile, 39% for the fourth quintile, 8% for the highest quintile, and 15% for the top 1%, with the bottom quintile moving from a tax rate of zero to negative liability. Despite this, individual income tax revenue only dropped from 8.7 to 8.5% of GDP over that time, and total federal revenue was 18.5% of GDP in both 1979 and 2007, above the postwar average of 18%. Tax code changes have dropped millions of lower earning people from the federal income tax rolls in recent decades. Those with zero or negative liability who were not claimed as dependents by a payer increased from 14.8% of the population in 1984 to 49.5% in 2009. While there is consensus that overall federal taxation is progressive, there is dispute over whether progressivity has increased or decreased in recent decades, and by how much. The total effective federal tax rate for the top 0.01% of income earners declined from around 75% to around 35% between 1960 and 2005. Total effective federal tax rates fell from 19.1% to 12.5% for the three middle quintiles between 1979 and 2010, from 27.1% to 24% for the top quintile, from 7.5% to 1.5% for the bottom quintile, and from 35.1% to 29.4% for the top 1%. A 2008 Organisation for Economic Co-operation and Development, OECD study ranked 24 OECD nations by progressiveness of taxes and separately by progressiveness of cash transfers, which include pensions, unemployment and other benefits. The United States had the highest ''concentration coefficient'' in income tax, a measure of progressiveness, before adjusting for income inequality. The United States was not at the top of either measure for cash transfers. Adjusting for income inequality, Ireland had the highest concentration coefficient for income taxes. In 2008, overall income tax rates for the US were below the OECD average.


Effects on income inequality

According to the CBO, U.S. federal tax policies substantially reduce income inequality measured after taxes. Taxes became less progressive (i.e., they reduced income inequality relatively less) measured from 1979 to 2011. The tax policies of the mid-1980s were the least progressive period since 1979. Government transfer payments contributed more to reducing inequality than taxes.


Social insurance taxes (Social Security tax and Medicare tax, or FICA)

The United States social insurance system is funded by a tax similar to an income tax. Social Security tax of 6.2% is imposed on wages paid to employees. The tax is imposed on both the employer and the employee. The maximum amount of wages subject to the tax for 2020 was $137,700. This amount is indexed for inflation. A companion Medicare Tax of 1.45% of wages is imposed on employers and employees, with no limitation. A self-employment tax in like amounts (totaling 15.3%) is imposed on self-employed persons.


See also

* ''Hylton v. United States'' 3 U.S. 171 (1796) * Internal Revenue Code § 212 – tax deductibility of investment expenses. * Payroll taxes in the United States * Tax Day * Tax preparation * Taxation of illegal income in the United States * U.S. State Non-resident Withholding Tax Other federal taxation: * Capital gains tax in the United States * Corporate tax in the United States US State taxes: * Sales taxes in the United States * State income tax * State tax levels Politics: * FairTax * Tax protester (United States) General: * Taxation in the United States * Federal tax revenue by state


Notes


References


Further reading

Government sources: *IR
Publication 17
Your Federal Income Tax *IR
Publication 334
Tax Guide for Small Business *IR
Publication 509
Tax Calendar *IR
Publication 541
Partnerships *IR
Publication 542
Corporations *IR
Publication 544
Sales and Other Dispositions of Assets *IR
Publication 556
Examination of Returns, Appeal Rights, and Claims for Refund *IR

*'
IRS videos on tax topics
'' *IR
links to state websites
Law & regulations:
Code of Federal Regulations, 26 CFR
Texts: *Fox, Stephen C, ''Income Tax in the USA''. 2013 edition , . *Hoffman, William H. Jr.; Willis, Eugene; ''et al.'', ''South-Western Federal Taxation''. 2013 edition , . *Pratt, James W.; Kulsrud, William N.; ''et al.'', ''Federal Taxation". 2013 edition . *Whittenberg, Gerald; Altus-Buller, Martha; Gill, Stephen, ''Income Tax Fundamentals 2010''. 2013 edition , . Monographs: * * Thorndike, Joseph J. ''Their Fair Share: Taxing the Rich in the Age of FDR.'' Washington, DC: Urban Institute, 2013. Reference works (annual): *CCH ''U.S. Master Tax Guide, 2013'' *RIA ''Federal Tax Handbook 2013'' *Dauchy, E. P., & Balding, C. (2013). Federal Income Tax Revenue Volatility Since 1966. Working Papers w0198, Center for Economic and Financial Research (CEFIR). ''Available a
SSRN 2351376
'. Consumer publications (annual): *''J.K. Lasser's Your Income Tax for 2013'' , *''Ernst & Young Tax Guide 2013'' , {{DEFAULTSORT:Income Tax In The United States United States federal income tax, Income taxes, United States