The primary sector of the economy includes any
Industry may refer to:
* Industry (economics)
In macroeconomics, an industry is a branch of an economy that produces a closely related set of raw materials, goods, or services. For example, one might refer to the wood industry ...
involved in the extraction and production of
A raw material, also known as a feedstock, unprocessed material, or primary commodity, is a basic material that is used to produce goods, finished Product (business), products, energy, or intermediate materials that are feedstock for future finish ...
, such as
Agriculture is the science, art and practice of cultivating plants and livestock. Agriculture was the key development in the rise of sedentary
Image:Family watching television 1958.jpg, Exercise trends, Increases in sedentary behaviors suc ...
Logging is the process of cutting, processing, and moving trees to a location for transport. It may include skidder, skidding, on-site processing, and loading of trees or trunk (botany), logs onto logging truck, trucks or flatcar#Skeleton car, s ...
Hunting is the practice of seeking, pursuing and capturing or killing wildlife or feral animals. The most common reasons for humans to hunt are to harvest useful animal products (meat, fur/hide (skin), hide, bone/tusks, horn (anatomy), horn/ant ...
Fishing is the activity of trying to catch fish
Fish are Aquatic animal, aquatic, craniate, gill-bearing animals that lack Limb (anatomy), limbs with Digit (anatomy), digits. Included in this definition are the living hagfish, lampreys, ...
Forestry is the science and craft of creating, managing, planting, using, conserving and repairing forest
A forest is an area of land dominated by s. Hundreds of definitions of forest are used throughout the world, incorporating fac ...
Mining is the extraction of valuable mineral
In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid chemical compound with a fairly well-defined chemical composition and a specific crystal structure that occu ...
The primary sector tends to make up a larger portion of the economy in
Example of Older Classifications by the IMF and the United Nations, UN from 2008
A developing country is a country with a less developed industrial base and a low Human Development Index (HDI) relative to other countries. However, ...
than it does in
A developed country (or industrialized country, high-income country, more economically developed country (MEDC), advanced country) is a sovereign state
A sovereign state is a political entity that is represented by one centralized governmen ...
. For example, in 2018, agriculture, forestry, and fishing comprised more than 15% of GDP in
Sub-Saharan Africa (commonly called Black Africa) is, geographically, the area of the continent of Africa that lies south of the Sahara. According to the United Nations, it consists of all list of sovereign states and dependent territories in ...
but less than 1% of GDP in
North America is a continent
A continent is any of several large landmasses. Generally identified by convention (norm), convention rather than any strict criteria, up to seven geographical regions are commonly regarded as continen ...
In developed countries the primary sector has become more technologically advanced, enabling for example the mechanization of farming, as compared with hand-picking and -planting in poorer countries. More developed economies may invest additional capital in primary means of production: for example, in the United States
The Corn Belt is a region of the Midwestern United States
The midwestern United States, often referred to simply as the Midwest, is one of four Census Bureau Region, census regions of the United States Census Bureau (also known as "Region ...
The modern combine harvester, or simply combine, is a versatile machine designed to efficiently harvest a variety of grain crops. The name derives from its combining four separate harvesting operations—, , gathering, and —into a single process ...
s pick the corn, and sprayers spray large amounts of
Insecticides are substances used to kill insects. They include ovicides and larvicides used against insect Egg (biology), eggs and larvae, respectively. Insecticides are used in agriculture, medicine, Industry (manufacturing), industry and by ...
Herbicides (, ), also commonly known as weedkillers, are substances used to control unwanted plant
Plants are predominantly photosynthetic
Photosynthesis is a process used by plants and other organisms to Energy transformation, conv ...
Fungicides are biocidal chemical compound
A chemical compound is a chemical substance
A chemical substance is a form of matter
In classical physics and general chemistry, matter is any substance that has mass and takes up space by hav ...
s, producing a higher yield than is possible using less capital-intensive techniques. These technological advances and investment allow the primary sector to employ a smaller workforce, so developed countries tend to have a smaller percentage of their workforce involved in primary activities, instead having a higher percentage involved in the
Secondary is an adjective meaning "second" or "second hand". It may refer to:
* Secondary (chemistry), term used in organic chemistry to classify various types of compounds
* The group of (usually at least four) defensive backs in gridiron football ...
Tertiary ( ) is a widely used but obsolete term for the Period (geology), geologic period from 66 million to 2.6 million years ago.
The period began with the demise of the non-bird, avian dinosaurs in the Cretaceous–Paleogene extincti ...
[H Dwight H. Perkins: Proceedings of the Academy of Political Science, Vol. 31, No. 1, China's Developmental Experience (March 1973)]
List of countries by agricultural output
Resource curseThe resource curse, also known as the paradox of plenty or the poverty paradox, is the phenomenon of countries with an abundance of natural resources (such as fossil fuel
A fossil fuel is a fuel formed by natural processes, such as anaerobi ...
The three-sector model in economics divides Economy, economies into three Economic sector, sectors of activity: extraction of raw materials (Primary sector of the economy, primary), manufacturing (Secondary sector of the economy, secondary), ...
* ''Dwight H. Perkins: Proceedings of the Academy of Political Science, Vol. 31, No. 1, China's Developmental Experience (Mar., 1973)''
* ''Cameron: General Economic and Social History''
* ''Historia Económica y Social General, by Maria Inés Barbero, Rubén L. Berenblum, Fernando R. García Molina, Jorge Saborido''
*Economy101.net: ''The Nature of Wealth''