Mexico vs United States of America: population pyramids in 2021
MexicoUnited 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.
Mexico and United States of America compared
In 2021, Mexico has a population of 127.2 million and the United States of America 339.7 million; the United States of America is about 2.7 times the size of Mexico.
The share aged 65 and over is 7.5% in Mexico and 16.3% in the United States of America, 8.7 points higher in the United States of America. The median age is 29.1 years in Mexico and 38.3 years in the United States of America.
The total fertility rate is 1.97 in Mexico and 1.63 in the United States of America, both below the replacement level of about 2.1. Life expectancy at birth is 69.8 years in Mexico and 76.4 years in the United States of America.
By 2050, the population of Mexico is projected to grow by 16.9% and that of the United States of America to grow by 11.9% compared with 2021.
GDP per person is $14K in Mexico (2025) and $90K in the United States of America (2025).
Key figures (2021)
| Mexico | United States of America | |
|---|---|---|
| Population | 127.2 million | 339.7 million |
| Aged 0–14 | 25.8% | 18.3% |
| Aged 15–64 | 66.6% | 65.5% |
| Aged 65+ | 7.5% | 16.3% |
| Median age | 29.1 yrs | 38.3 yrs |
| Old-age dependency | 11.3 | 24.8 |
| Total fertility rate | 1.97 | 1.63 |
| Life expectancy | 69.8 yrs | 76.4 yrs |
| Population growth | +0.64% | +0.25% |
| Net migration (per year) | -122,791 | +674,787 |
| GDP | $1.83T (2025) | $30.8T (2025) |
| GDP per person | $14K (2025) | $90K (2025) |
| Unemployment | 2.7% (2025) | 4.2% (2025) |
Economic figures are the latest year published for each country.