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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. 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.
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.
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.
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.
Nominal GDP sector composition, 2015 (in millions of 2005 USD): [5] [6] 2005 prices are used similarly to 2010 constant prices in which they provide economic statistics where inflation is accounted for.
The Census Bureau releases sector-by-sector statistics on the number of establishments, total business activity, annual payroll, and number of paid employees. A standardized classification of the economy into sectors makes it possible to compare census results over time.
Gideon Gartner, one of the industry analyst business pioneers, was a former financial analyst before launching the Gartner Group in 1979. [2] But industry analysts do research in the context of a specific sector or market segment, along with the competitive offerings of the other public and non-public companies that comprise the market.