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Three sectors according to Fourastié Clark's sector model. One classical breakdown of economic activity distinguishes three sectors: [1] Primary: involves the retrieval and production of raw-material commodities, such as corn, coal, wood or iron. Miners, farmers and fishermen are all workers in the primary sector.
The primary sector of the economy includes any industry involved in the extraction and production of raw materials, such as farming, logging, fishing, forestry and mining. [ 1 ] [ 2 ] [ 3 ] The primary sector tends to make up a larger portion of the economy in developing countries than it does in developed countries .
Three sectors according to Fourastié Clark's sector model This figure illustrates the percentages of a country's economy made up by different sector. The figure illustrates that countries with higher levels of socio-economic development tend to have less of their economy made up of primary and secondary sectors and more emphasis in tertiary sectors.
Industry [%] [3] Services [%] [4] Date of information Afghanistan * 46 18 36 2020 Albania * 35 22 44 2021 Algeria * 10 31 59 2021 American Samoa * 34 33 33 1990 Andorra * 0.4 4.7 94.9 2010 Angola * 59 8 34 2021 Anguilla * 4 3 92 2000 est. Antigua and Barbuda * 7 11 82 1983 Argentina * 8 20 72 2021 Armenia * 30 18 52 2021
Secondary sector – involves the processing of raw materials from primary industries, and includes the industries that produce a finished, tangible product.. Construction – process that consists of the building or assembling of infrastructure, including buildings, roads, dams, etc.
At the top level, they are often classified according to the three-sector theory into sectors: primary (extraction and agriculture), secondary (manufacturing), and tertiary (services). Some authors add quaternary (knowledge) or even quinary (culture and research) sectors. Over time, the fraction of a society's activities within each sector changes.
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