World Population PyramidsPopulation pyramids and indicators by country and year日本語

China vs United States of America: population pyramids in 1957

1957Swap

ChinaUnited States of America

2%1.5%1%0.5%0%0.5%1%1.5%2%0102030405060708090100MaleFemale

Each bar is the share of the total population at that single year of age (men left, women right), so countries of different sizes can be compared.

China and United States of America compared

In 1957, China has a population of 622.8 million and the United States of America 170.1 million; China is about 3.7 times the size of the United States of America.

The share aged 65 and over is 4.2% in China and 8.5% in the United States of America, 4.3 points higher in the United States of America. The median age is 21.4 years in China and 29.9 years in the United States of America.

The total fertility rate is 6.43 in China and 3.70 in the United States of America, both above the replacement level of about 2.1. Life expectancy at birth is 48.4 years in China and 69.4 years in the United States of America.

By 2050, the population of China is projected to grow by 103.1% and that of the United States of America to grow by 123.4% compared with 1957.

GDP per person is $14K in China (2025) and $90K in the United States of America (2025).

Key figures (1957)

ChinaUnited States of America
Population622.8 million170.1 million
Aged 0–1439.2%30.2%
Aged 15–6456.6%61.2%
Aged 65+4.2%8.5%
Median age21.4 yrs29.9 yrs
Old-age dependency7.513.9
Total fertility rate6.433.70
Life expectancy48.4 yrs69.4 yrs
Population growth+2.40%+1.57%
Net migration (per year)-1,699+13,437
GDP$19.5T (2025)$30.8T (2025)
GDP per person$14K (2025)$90K (2025)
Unemployment4.6% (2025)4.2% (2025)

Economic figures are the latest year published for each country.

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