
Source: JoZtar / iStock via Getty Images
15. Alumina and aluminum production and processing
> Wage increase, 2020 to 2021: +11.6%
> Average annual wage, 2021: $55,790
> Employment change, 2020 to 2021: -1.0%
> Total employment, 2021: 55,150

Source: bojanstory / E+ via Getty Images
14. Offices of physicians
> Wage increase, 2020 to 2021: +11.9%
> Average annual wage, 2021: $91,600
> Employment change, 2020 to 2021: +4.0%
> Total employment, 2021: 2,696,070

Source: dicus63 / iStock via Getty Images
13. Nonscheduled air transportation
> Wage increase, 2020 to 2021: +12.3%
> Average annual wage, 2021: $92,090
> Employment change, 2020 to 2021: +6.2%
> Total employment, 2021: 48,610

Source: milehightraveler / iStock via Getty Images
12. Pipeline transportation of natural gas
> Wage increase, 2020 to 2021: +12.3%
> Average annual wage, 2021: $86,590
> Employment change, 2020 to 2021: -2.3%
> Total employment, 2021: 30,200

Source: andresr / E+ via Getty Images
11. Coal mining
> Wage increase, 2020 to 2021: +14.3%
> Average annual wage, 2021: $72,330
> Employment change, 2020 to 2021: -14.9%
> Total employment, 2021: 36,740
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