Mexico vs United States of America: population pyramids in 1951
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 1951, Mexico has a population of 27.9 million and the United States of America 155.3 million; the United States of America is about 5.6 times the size of Mexico.
The share aged 65 and over is 3.0% in Mexico and 8.0% in the United States of America, 5.0 points higher in the United States of America. The median age is 17.8 years in Mexico and 30.0 years in the United States of America.
The total fertility rate is 6.73 in Mexico and 3.20 in the United States of America, both above the replacement level of about 2.1. Life expectancy at birth is 44.8 years in Mexico and 68.2 years in the United States of America.
By 2050, the population of Mexico is projected to grow by 432.5% and that of the United States of America to grow by 144.7% compared with 1951.
GDP per person is $14K in Mexico (2025) and $90K in the United States of America (2025).
Key figures (1951)
| Mexico | United States of America | |
|---|---|---|
| Population | 27.9 million | 155.3 million |
| Aged 0–14 | 44.3% | 27.5% |
| Aged 15–64 | 52.7% | 64.5% |
| Aged 65+ | 3.0% | 8.0% |
| Median age | 17.8 yrs | 30.0 yrs |
| Old-age dependency | 5.7 | 12.4 |
| Total fertility rate | 6.73 | 3.20 |
| Life expectancy | 44.8 yrs | 68.2 yrs |
| Population growth | +2.66% | +1.46% |
| Net migration (per year) | -50,975 | -21,247 |
| 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.