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

United States of America vs Republic of Korea: population pyramids in 2050

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United States of AmericaRepublic of Korea

1%0.75%0.5%0.25%0%0.25%0.5%0.75%1%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.

United States of America and Republic of Korea compared

In 2050, the United States of America has a population of 380.2 million and the Republic of Korea 45.3 million; the United States of America is about 8.4 times the size of the Republic of Korea.

The share aged 65 and over is 23.0% in the United States of America and 39.4% in the Republic of Korea, 16.4 points higher in the Republic of Korea. The median age is 42.8 years in the United States of America and 57.5 years in the Republic of Korea.

The total fertility rate is 1.64 in the United States of America and 1.03 in the Republic of Korea, both below the replacement level of about 2.1. Life expectancy at birth is 83.2 years in the United States of America and 87.3 years in the Republic of Korea.

GDP per person is $90K in the United States of America (2025) and $36K in the Republic of Korea (2025).

Figures from 2024 are UN medium-variant projections.

Key figures (2050)

United States of AmericaRepublic of Korea
Population380.2 million45.3 million
Aged 0–1415.9%7.8%
Aged 15–6461.1%52.8%
Aged 65+23.0%39.4%
Median age42.8 yrs57.5 yrs
Old-age dependency37.774.7
Total fertility rate1.641.03
Life expectancy83.2 yrs87.3 yrs
Population growth+0.23%-1.02%
Net migration (per year)+1.3 million+15,924
GDP$30.8T (2025)$1.87T (2025)
GDP per person$90K (2025)$36K (2025)
Unemployment4.2% (2025)2.7% (2025)

Economic figures are the latest year published for each country.

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