Chances are you do not work in agriculture or in manufacturing. In fact, four out of five jobs in the United States are in “services,” and 75 percent of U.S. GDP is derived from services. Worldwide, the numbers are only slightly less impressive. A majority of global employment is also in services. Roughly a quarter of the world works in agriculture and slightly less in manufacturing. In the United States, the numbers are much smaller: as of 2015, only 1.63 percent of the U.S. labor force worked in agriculture.

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