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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 .
Number of establishments by sector in the United States economy in 1997, 2002, and 2007. Value of sales, shipments, receipts, revenue, or business done by sector in the United States economy in 1997, 2002, and 2007. Annual payroll by sector in the United States economy in 1997, 2002, and 2007.
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 economic history of the United States spans the colonial era through the 21st century. The initial settlements depended on agriculture and hunting/trapping, later adding international trade, manufacturing, and finally, services, to the point where agriculture represented less than 2% of GDP .
The following outline is provided as an overview of and topical guide to industry: Industry , in economics and economic geography , refers to the production of an economic good or service within an economy .
The economic history of the United States began with British settlements along the Eastern seaboard in the 17th and 18th centuries. After 1700, the United States gained population rapidly, and imports as well as exports grew along with it. Africa, Asia, and most frequently Europe, contributed to the trade of the colonies. [91]
Manufacturing is a vital economic sector in the United States of America. [1] The United States is the world's second-largest manufacturer after the People's Republic of China with a record high real output in 2021 of $2.5 trillion. [2] As of December 2016, the U.S. manufacturing industry employed 12.35 million people.
The private sector has been the focal point for biomedical research in the United States, and has played a key role in this achievement. As of 2000, for-profit industry funded 57%, non-profit private organizations funded 7%, and the tax-funded National Institutes of Health funded 36% of medical research in the U.S. [ 110 ] Funding by private ...