Millennials account for a larger share of the labor force than any other generation. Among the nation's employed in 2018, a substantial 39% were Millennials. Boomers and Gen Xers each accounted for 25% of the employed, and the iGeneration was 11%.

The Millennial share of workers exceeds 39% in many occupations and tops 50% in more than two dozen. Among the 328 detailed occupations for which the Bureau of Labor Statistics provides age distributions and median ages, Millennials account for more than 50% of workers in 29 occupations. Here are the top five...

Millennial share of workers (top five occupations)
60.3% of emergency medical technicians and paramedics
59.2% of physician assistants
58.8% of bartenders
58.1% of roofers
57.2% of web developers

Millennials also account for more than half of statisticians, firefighters, software developers, financial analysts, probation officers, medical scientists, market researchers, producers and directors, telemarketers, speech language pathologists, information security analysts, physical therapists, police and sheriff's patrol officers, and private detectives.

Note: In 2018, the iGeneration was aged 16 to 23, Millennials were aged 24 to 41, Gen Xers were aged 42 to 53, and Boomers were aged 54 to 72.