This is a list of notable

think tank A think tank, or policy institute, is a research institute that performs research and advocacy concerning topics such as social policy, political strategy, economics, military, technology, and culture. Most think tanks are non-governmenta ...

s 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 primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

Politics and economy

The heritage foundation building on mass

Acton Institute The Acton Institute for the Study of Religion and Liberty is an American research and educational institution, or think tank, in Grand Rapids, Michigan, (with an office in Rome) whose stated mission is "to promote a free and virtuous society ch ...

Allegheny Institute for Public Policy The Allegheny Institute for Public Policy is a conservative American think tank based in Western Pennsylvania. Using its expertise in economic development, tax increment financing, and eminent domain, it works with property owners and taxpayers ...

* American Action Forum *

American Civil Rights Union The American Civil Rights Union (ACRU) is an American legal organization founded by former Reagan Administration official Robert B. Carleson in 1998 as a conservative counter to the American Civil Liberties Union. History Due to a lack of reso ...

* American College of Pediatricians *

American Enterprise Institute The American Enterprise Institute for Public Policy Research, known simply as the American Enterprise Institute (AEI), is a center-right Washington, D.C.–based think tank that researches government, politics, economics, and social welfare. A ...

American Institute for Economic Research The American Institute for Economic Research (AIER) is a libertarian think tank located in Great Barrington, Massachusetts. It was founded in 1933 by Edward C. Harwood, an economist and investment advisor. It is a 501(c)(3) nonprofit. History ...

Atlas Network Atlas Network, formerly known as the Atlas Economic Research Foundation, is a non-governmental 501(c)(3) organization based in the United States that provides training, networking and grants for libertarian, free-market, and conservative groups ...

Ayn Rand Institute The Ayn Rand Institute: The Center for the Advancement of Objectivism, commonly known as the Ayn Rand Institute (ARI), is a 501(c)(3) nonprofit think tank in Santa Ana, California, that promotes Objectivism, the philosophy developed by Ayn Rand ...

* Beacon Center of Tennessee * Beacon Hill Institute *

Berggruen Institute The Berggruen Institute is a Los Angeles-based think tank founded by Nicolas Berggruen. History In 2010, Nicolas Berggruen and Nathan Gardels sat down with a group of academics, business leaders, and political veterans in California to discus ...

Bipartisan Policy Center The Bipartisan Policy Center (BPC) is a Washington, D.C.–based think tank that promotes bipartisanship. The organization aims to combine ideas from both the Republican and Democratic parties to address challenges in the U.S. BPC focuses on is ...

Brookings Institution The Brookings Institution, often stylized as simply Brookings, is an American research group founded in 1916. Located on Think Tank Row in Washington, D.C., the organization conducts research and education in the social sciences, primarily in e ...

Buckeye Institute The Buckeye Institute is a 501(c)(3) nonpartisan, free-market public policy think tank. The organization, based in Columbus, Ohio, says its mission is "to advance free-market public policy in the states." History and leadership In 1989, econo ...

Caesar Rodney Institute The Caesar Rodney Institute (CRI) is a nonprofit Delaware-based think tank that researches economic issues such as jobs, education, energy, and healthcare. It is an affiliate of the State Policy Network of conservative and libertarian Liber ...

* Carnegie Endowment for International Peace *

Cascade Policy Institute Cascade Policy Institute is a non-profit and non-partisan American libertarian think tank based in Oregon that focuses on state and local issues. Founded in 1991, the institute advocates limited government in cost and size, and promotes privatizat ...

Cato Institute The Cato Institute is an American libertarian think tank headquartered in Washington, D.C. It was founded in 1977 by Ed Crane, Murray Rothbard, and Charles Koch, chairman of the board and chief executive officer of Koch Industries.Koch Ind ...

Center for a Just Society The Center for a Just Society was a conservative non-profit organization located in Washington, DC. The Center focused its work on providing conservative answers to social justice issues and is most known for the work of its chairman, Ken Connor. ...

Center for American Progress The Center for American Progress (CAP) is a public policy research and advocacy organization which presents a liberal viewpoint on economic and social issues. It has its headquarters in Washington, D.C. The president and chief executive offic ...

* Center for Automotive Research *

Center for Development and Strategy The Center for Development and Strategy (CDS) is an environmental and economic American think tank and online publisher based in Buffalo, New York, in the United States. The center develops policy studies, risk briefs, and OpEds on political, econ ...

* Center for Economic and Policy Research *

Center for Freedom and Prosperity The Center for Freedom and Prosperity (CFP or CF&P) is an American nonprofit organization that advocates for flat taxes, territorial taxation systems, and offshore tax havens. The organization and its subsidiary, Center for Freedom and Prosperit ...

Center for Governmental Research The Center for Governmental Research, Inc. (CGR) is a non-profit corporation delivering data support, management consulting and implementation assistance to governments, educational institutions, foundations and non-profit organizations. Headquart ...

Center for Immigration Studies The Center for Immigration Studies (CIS) is an anti-immigration think tank and a SPLC designated hate group. It favors far lower immigration numbers, and produces analyses to further those views. The CIS was founded by historian Otis L. Grah ...

Center for Media and Democracy The Center for Media and Democracy (CMD) is a progressive nonprofit watchdog and advocacy organization based in Madison, Wisconsin. CMD publishes ExposedbyCMD.org, SourceWatch.org, and ALECexposed.org. History CMD was founded in 1993 by prog ...

Center for National Policy Center or centre may refer to: Mathematics *Center (geometry), the middle of an object * Center (algebra), used in various contexts ** Center (group theory) ** Center (ring theory) * Graph center, the set of all vertices of minimum eccentricit ...

Center for Public Integrity The Center for Public Integrity (CPI) is an American nonprofit investigative journalism organization whose stated mission is "to reveal abuses of power, corruption and dereliction of duty by powerful public and private institutions in order to ...

* Center for Public Justice *

Center for Strategic and Budgetary Assessments The Center for Strategic and Budgetary Assessments (CSBA) is an independent, non-profit, Washington, D.C.-based think tank specializing in US defense policy, force planning, and US defense budget, budgets. It is headed by Thomas Mahnken. According ...

Center on Budget and Policy Priorities The Center on Budget and Policy Priorities (CBPP) is a progressive American think tank that analyzes the impact of federal and state government budget policies. A 501(c)(3) nonprofit organization, the Center's stated mission is to "conduct resear ...

Claremont Institute The Claremont Institute is a conservative think tank based in Upland, California. The institute was founded in 1979 by four students of Harry V. Jaffa. It produces the ''Claremont Review of Books,'' ''The American Mind'', and other publications. ...

* Committee for a Responsible Federal Budget * Committee for Economic Development *

Competitive Enterprise Institute The Competitive Enterprise Institute (CEI) is a non-profit libertarian think tank founded by the political writer Fred L. Smith Jr. on March 9, 1984, in Washington, D.C., to advance principles of limited government, free enterprise, and individ ...

* Concord Coalition *

Constitution Project The Constitution Project is a non-profit think tank in the United States whose goal is to build bipartisan consensus on significant constitutional and legal questions. Its founder and president is Virginia Sloan. The Constitution Project’s work ...

Council on Competitiveness The Council on Competitiveness is an American non-profit organization based in Washington, D.C. The Council’s goal is to increase the United States' economic competitiveness in the global marketplace. The Council also works to bring high-value ...

* Demos *

Drum Major Institute The Drum Major Institute for Public Policy (DMI) is a non-profit American progressive think tank and community action group. The group was founded in 1961 in the midst of the Civil Rights Movement. It later became defunct until it was relaunched ...

* Economic Opportunity Institute *

Economic Policy Institute The Economic Policy Institute (EPI) is a 501(c)(3) non-profit American, left-leaning think tank based in Washington, D.C., that carries out economic research and analyzes the economic impact of policies and proposals. Affiliated with the labor mov ...

* Employment Policies Institute *

Eno Center for Transportation The Eno Center for Transportation is a non-profit, independent organization based in Washington, D.C. with the mission to shape public debate on critical multimodal transportation issues and to build an innovative network of transportation profes ...

Every Texan Every Texan, formerly known as the Center for Public Policy Priorities (CPPP), is an Austin-based, nonpartisan, nonprofit policy institute. Origin The Congregation of Benedictine Sisters in Boerne, Texas, founded CPPP in 1985 to improve he ...

Federation for American Immigration Reform The Federation for American Immigration Reform (FAIR) is a non profit, anti-immigration organization in the United States. The group publishes position papers, organizes events, and runs campaigns in order to advocate for changes in U.S. immig ...

* Florida Institute for Sustainable Energy *

Foundation for Economic Education The Foundation for Economic Education (FEE) is an American conservative, libertarian economic think tank. Founded in 1948 in New York City, FEE is now headquartered in Atlanta, Georgia. It is a member of the State Policy Network. FEE offers ...

Future of American Democracy Foundation The Future of American Democracy Foundation is an American nonprofit, nonpartisan public policy foundation dedicated to research and education, working in partnership with the Yale University Press to clarify and analyze contemporary US domestic an ...

Goldwater Institute The Goldwater Institute is a conservative and libertarian public policy think tank located in Phoenix whose stated mission is "to defend and strengthen the freedom guaranteed to all Americans in the constitutions of the United States and all fi ...

Group of Thirty The Group of Thirty, often abbreviated to G30, is an international body of financiers and academics which aims to deepen understanding of economic and financial issues and to examine consequences of decisions made in the public and private sec ...

Guttmacher Institute The Guttmacher Institute is a research and policy NGO that aims to improve sexual and reproductive health and rights worldwide. This research organization was started in 1968 and works to study, educate, and advance sexual and reproductive health ...

* Hispanic American Center for Economic Research *

Hoover Institution The Hoover Institution (officially The Hoover Institution on War, Revolution, and Peace; abbreviated as Hoover) is an American public policy think tank and research institution that promotes personal and economic liberty, free enterprise, an ...

* Hudson Institute *

Independence Institute The Independence Institute (II) is a libertarian think tank based in Denver, Colorado. The group's stated mission "is to empower individuals and to educate citizens, legislators and opinion makers about public policies that enhance personal and ...

Institute for New Economic Thinking The Institute for New Economic Thinking (INET) is a New York City–based nonprofit think tank. It was founded in October 2009 as a result of the 2007–2012 global financial crisis, and runs a variety of affiliated programs at major universiti ...

Institute for Policy Studies The Institute for Policy Studies (IPS) is an American progressive think tank started in 1963 that is based in Washington, D.C. It was directed by John Cavanagh from 1998 to 2021. In 2021 Tope Folarin was announced as new Executive Director. ...

Institute for Women's Policy Research The Institute for Women's Policy Research (IWPR) is a non-profit research organization based in Washington, D.C.. Founded in 1987 by Heidi Hartmann, IWPR works to increase public understanding of how social and government policies impede gender ...

Institute on Religion and Democracy The Institute on Religion and Democracy (IRD) is an American Christian conservative think tank that promotes its views among mainline Protestant churches, as well as advocating for its values in the public square. Its critics claim that it has bee ...

Institute on Taxation and Economic Policy The Institute on Taxation and Economic Policy (ITEP) is a non-profit, non-partisan think tank that works on state and federal tax policy issues. ITEP was founded in 1980, and is a 501(c)(3) tax-exempt organization. ITEP describes its mission as ...

International Food Policy Research Institute The International Food Policy Research Institute (IFPRI) is an international agricultural research center founded in the early 1970s to improve the understanding of national agricultural and food policies to promote the adoption of innovations ...

* James A. Baker III Institute for Public Policy * James Madison Institute * John S. Watson Institute for Public Policy * Joint Center for Political and Economic Studies * Kansas Policy Institute *

Levy Economics Institute Founded in 1986 as the Jerome Levy Economics Institute, the Levy Economics Institute of Bard College is a nonprofit, nonpartisan public policy think tank. The purpose of its research and other activities is to enable scholars and leaders in busi ...

Lexington Institute The Lexington Institute is a center-right think tank headquartered in Arlington, Virginia, United States. It focuses mainly on defense and security policy. History, staff, and positions The Lexington Institute was founded in 1998 by former U.S. ...

Lincoln Institute of Land Policy The Lincoln Institute of Land Policy is a think tank based in Cambridge, Massachusetts. The Lincoln Institute of Land Policy seeks to "improve quality of life through the effective use, taxation, and stewardship of land". A nonprofit private opera ...

* Lugar Center *

Mackinac Center for Public Policy The Mackinac Center for Public Policy () in Midland, Michigan, is the largest U.S. state-based free market think tank in the United States. The Mackinac Center conducts policy research and educational programs. The Center sponsors MichiganVotes. ...

Manhattan Institute for Policy Research The Manhattan Institute for Policy Research (renamed in 1981 from the International Center for Economic Policy Studies) is a conservative American think tank focused on domestic policy and urban affairs, established in Manhattan in 1978 by Anto ...

* MassINC *

McCain Institute The McCain Institute for International Leadership is a Washington, D.C.-based think tank in cooperation with Arizona State University whose mission is to "advance leadership based on security, economic opportunity, freedom, and human dignity, in ...

Mercatus Center The Mercatus Center is an American libertarian, free-market-oriented non-profit think tank. Located at George Mason University and directed by the American economist Tyler Cowen, the Mercatus Center works with policy experts, lobbyists, and gov ...

at George Mason University * Migration Policy Institute *

Milken Institute The Milken Institute is an independent economic think tank based in Santa Monica, California with offices in Washington, DC, New York, Miami, London, Abu Dhabi, and Singapore. It publishes research and hosts conferences that apply market-based p ...

Mises Institute Ludwig von Mises Institute for Austrian Economics, or Mises Institute, is a libertarian nonprofit think tank headquartered in Auburn, Alabama, United States. It is named after the Austrian School economist Ludwig von Mises (1881–1973). It ...

National Association of Scholars The National Association of Scholars (NAS) is an American non-profit politically conservative advocacy organization, with a particular interest in education. It opposes a perceived political correctness on college campuses and supports a return ...

National Bureau of Asian Research The National Bureau of Asian Research (NBR) is an American non-profit, research institution based in Seattle, Washington, with a branch office in Washington, D.C. NBR brings together specialists, policymakers, and business leaders to examine ...

National Bureau of Economic Research The National Bureau of Economic Research (NBER) is an American private nonprofit research organization "committed to undertaking and disseminating unbiased economic research among public policymakers, business professionals, and the academic c ...

National Center for Policy Analysis The National Center for Policy Analysis (NCPA) was a non-profit American think tank whose goals were to develop and promote private alternatives to government regulation and control. Topics it addressed include reforms in health care, taxes, S ...

National Endowment for Democracy The National Endowment for Democracy (NED) is an organization in the United States that was founded in 1983 for promoting democracy in other countries by promoting political and economic institutions such as political groups, trade unions, ...

National Policy Institute The National Policy Institute (NPI) is a white supremacist think tank and lobbying group which is based in Alexandria, Virginia. It lobbies for white supremacists and the alt-right. Its president is Richard B. Spencer. It has been largely ina ...

* New America *

New Democrat Network The New Democrat Network is an American think tank that promotes centrist candidates for the Democratic Party. NDN is a 501(c)(4) membership organization that functions in conjunction with its two subsidiary organizations, the NDN Political Fun ...

* Niskanen Center * Oklahoma Policy Institute * Oregon Center for Public Policy *

Pacific Research Institute The Pacific Research Institute for Public Policy (PRI) is a California-based free-market think tank which promotes "the principles of individual freedom and personal responsibility" through policies that emphasize a free economy, private initiat ...

Pembroke Center for Teaching and Research on Women The Pembroke Center for Teaching and Research on Women was established in 1981 at Brown University, Providence, Rhode Island, as an interdisciplinary research center focused on gender and women. In addition to research, the center is home to arc ...

at Brown University * People's Policy Project *

Peterson Institute for International Economics The Peterson Institute for International Economics (PIIE), known until 2006 as the Institute for International Economics (IIE), is an American think tank based in Washington, D.C. It was founded by C. Fred Bergsten in 1981 and has been led by ...

* Pew Research Center *

Philadelphia Society The Philadelphia Society is a membership organization the purpose of which is "to sponsor the interchange of ideas through discussion and writing, in the interest of deepening the intellectual foundation of a free and ordered society, and of bro ...

Pioneer Institute Pioneer Institute is a free-market think tank based in Boston, Massachusetts. The organization was founded in 1988 by Lovett C. Peters. Pioneer's stated mission is "to develop and communicate dynamic ideas that advance prosperity and a vibrant ci ...

* Policy Matters Ohio * Population Research Institute (PRI) *

Potomac Institute for Policy Studies The Potomac Institute for Policy Studies is an independent, 501(c)(3), not-for-profit public policy research institute located in Arlington, Virginia. The institute was founded in , shortly after the Congressional Office of Technology Assessment ...

Progressive Policy Institute The Progressive Policy Institute (PPI) is a non-profit, 501(c)(3) organization that serves as a public policy think tank in the United States. The Democratic Leadership Council (DLC) founded it in 1989. ''The Washington Post'' has described it ...

Prosperity Now Prosperity Now, formerly known as the Corporation for Enterprise Development (CFED), is a national nonprofit based in Washington, DC, dedicated to expanding economic opportunity for low-income families and communities in the United States. CFED u ...

Public Citizen Public Citizen is a non-profit, Progressivism in the United States, progressive consumer rights advocacy group and think tank based in Washington, D.C., United States, with a branch in Austin, Texas, Austin, Texas. Lobbying efforts Public Citizen ...

*Public Policy Institute of California *R Street Institute *RAND Corporation *Reason Foundation *Ripon Society *RMI (energy organization), RMI *Rockefeller Institute of Government *Rockford Institute *Rockridge Institute *Roosevelt Institute *Seven Pillars Institute *Show-Me Institute *Social Science Research Council *SRI International *Tax Foundation *Texas Public Policy Foundation *The Century Foundation *The Conference Board *The Gravel Institute *The Harkin Institute for Public Policy & Citizen Engagement *The Heartland Institute *The Heritage Foundation *The Independent Institute *The Reform Institute *Third Way (United States), Third Way *Thomas B. Fordham Institute *Urban Institute *W. E. Upjohn Institute for Employment Research *Washington Policy Center *World Sindhi Institute

International relations and security

*38 North *American Foreign Policy Council *American Israel Public Affairs Committee *American Security Council Foundation *American–Iranian Council *The Arctic Institute - Center for Circumpolar Security Studies, Arctic Institute *Asia Society *Aspen Institute *Atlantic Council *Belfer Center for Science and International Affairs *Carnegie Council for Ethics in International Affairs * Carnegie Endowment for International Peace *Center for a New American Security *Center for Advanced Defense Studies *Center for Global Development *Center for International Development *Center for International Policy *Center for International Security and Cooperation *CNA (nonprofit), Center for Naval Analysis *Center for Security Policy *Center for Strategic and International Studies *Center for the National Interest (The Nixon Center) *Center for Transatlantic Relations *Center on Global Interests *Chicago Council on Global Affairs *Committee on the Present Danger *Council on Foreign Relations *Council on Hemispheric Affairs *EastWest Institute *Foreign Policy Initiative *Foreign Policy Research Institute *Foundation for Defense of Democracies *Gatestone Institute *German Marshall Fund of the United States *Global Trade Watch *GlobalSecurity.org *Henry L. Stimson Center *India, China & America Institute *Institute for Defense Analyses *Institute for Science and International Security *Inter-American Dialogue *International Crisis Group *Islands Society *Israel Policy Forum *J Street (advocacy group), J Street *The Jamestown Foundation, Jamestown Foundation *Jewish Institute for National Security Affairs *Middle East Forum *Middle East Institute *National Security Network *Open Society Foundations *Pacific Council on International Policy *Pacific Forum CSIS *

*Project 2049 Institute *Project for the New American Century *RTI International *Sikh Coalition *South Asian Center for Reintegration and Independent Research *Strategic Studies Institute *Streit Council, Streit Council for a Union of Democracies *Tellus Institute *The Stimson Center *United States Institute of Peace *Washington Institute for Near East Policy *Woodrow Wilson International Center for Scholars *World Affairs Councils of America, World Affairs Council *World Resources Institute

Environment, science and technology

*Battelle Memorial Institute *Center for Climate and Energy Solutions *Center for Ethical Solutions *Copenhagen Consensus Center *Discovery Institute *The Earth Institute, Earth Institute *Fusion Energy Foundation *General Electric EdgeLab *Global Development and Environment Institute *GTRI Office of Policy Analysis and Research *Hastings Center *Information Technology and Innovation Foundation *Keck Institute for Space Studies *Metropolitan Area Planning Council *New England Complex Systems Institute (NECSI) *Noblis *Pacific Institute *Property and Environment Research Center (PERC) *Resources for the Future *RTI International (Research Triangle Institute) *Santa Fe Institute *Scripps Research Institute *Watson Institute at Brown University

Arts and humanities

*Americans for the Arts *Catholic Family and Human Rights Institute *Center for Excellence in Higher Education *Center for Muslim-Jewish Engagement *Foundation for Excellence in Education *Foundation for Rational Economics and Education *International Center for Research on Women *International Intellectual Property Institute *New Teacher Center *Urban Land Institute *WestEd

References

{{reflist Lists of organizations based in the United States, Think tanks Lists of think tanks, United States Think tanks based in the United States, *

Politics and economy

International relations and security

Environment, science and technology

Arts and humanities

See also

References