Bearing in mind China's huge population, it's no wonder so many of the country's state-owned monoliths appear in this round-up. The world's largest utility company, China's State Grid Corporation, benefits from a monopoly of the power industry in the People's Republic and has more than a billion customers. According to Fortune, it employs 896,360 people, down from 926,067 in 2017.
The world's number one employer, the United States Department of Defense has a total of 2.86 million employees. These include civilian workers and active servicemen and women. As well as boasting the largest number of staff of any military force, the United States military also enjoys the biggest defence budget on the globe, which hit $738 billion (£537.8 billion) in 2020.
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