Chart representing the number of Baby Boomers living in the U.S. versus China. As defined by Pew Research Baby Boomers are people currently aged 59 to 77, and according to the Administration for Community Living the number of Americans aged 60 and older in 2020 was 74.6 million. The total population that year was 328.2 million, according to the U.S. Census, which means Baby Boomers accounted for approximately 22%. In China, the country’s National Bureau of Statistics reported in 2019 that the total population was about 1.4 billion, with the population aged 60 and above accounting for 18.7% and reaching 264 million people.