Republic of Korea vs United States of America: population pyramids in 2070
Republic of KoreaUnited States of America
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.
Republic of Korea and United States of America compared
In 2070, the Republic of Korea has a population of 34.4 million and the United States of America 397.3 million; the United States of America is about 12 times the size of the Republic of Korea.
The share aged 65 and over is 46.2% in the Republic of Korea and 25.5% in the United States of America, 20.6 points higher in the Republic of Korea. The median age is 62.1 years in the Republic of Korea and 44.7 years in the United States of America.
The total fertility rate is 1.16 in the Republic of Korea and 1.64 in the United States of America, both below the replacement level of about 2.1. Life expectancy at birth is 89.6 years in the Republic of Korea and 85.8 years in the United States of America.
GDP per person is $36K in the Republic of Korea (2025) and $90K in the United States of America (2025).
Figures from 2024 are UN medium-variant projections.
Key figures (2070)
| Republic of Korea | United States of America | |
|---|---|---|
| Population | 34.4 million | 397.3 million |
| Aged 0–14 | 7.3% | 14.9% |
| Aged 15–64 | 46.6% | 59.6% |
| Aged 65+ | 46.2% | 25.5% |
| Median age | 62.1 yrs | 44.7 yrs |
| Old-age dependency | 99.1 | 42.8 |
| Total fertility rate | 1.16 | 1.64 |
| Life expectancy | 89.6 yrs | 85.8 yrs |
| Population growth | -1.50% | +0.24% |
| Net migration (per year) | +3,115 | +1.3 million |
| GDP | $1.87T (2025) | $30.8T (2025) |
| GDP per person | $36K (2025) | $90K (2025) |
| Unemployment | 2.7% (2025) | 4.2% (2025) |
Economic figures are the latest year published for each country.