Brazil vs Argentina: population pyramids in 1951
BrazilArgentina
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.
Brazil and Argentina compared
In 1951, Brazil has a population of 54.2 million and Argentina 17.2 million; Brazil is about 3.2 times the size of Argentina.
The share aged 65 and over is 2.4% in Brazil and 4.1% in Argentina, 1.8 points higher in Argentina. The median age is 18.5 years in Brazil and 25.4 years in Argentina.
The total fertility rate is 6.11 in Brazil and 3.16 in Argentina, both above the replacement level of about 2.1. Life expectancy at birth is 49.0 years in Brazil and 61.7 years in Argentina.
By 2050, the population of Brazil is projected to grow by 301.6% and that of Argentina to grow by 181.0% compared with 1951.
GDP per person is $11K in Brazil (2025) and $15K in Argentina (2025).
Key figures (1951)
| Brazil | Argentina | |
|---|---|---|
| Population | 54.2 million | 17.2 million |
| Aged 0–14 | 42.6% | 31.1% |
| Aged 15–64 | 55.0% | 64.7% |
| Aged 65+ | 2.4% | 4.1% |
| Median age | 18.5 yrs | 25.4 yrs |
| Old-age dependency | 4.3 | 6.4 |
| Total fertility rate | 6.11 | 3.16 |
| Life expectancy | 49.0 yrs | 61.7 yrs |
| Population growth | +2.99% | +1.96% |
| Net migration (per year) | +9,921 | +54,478 |
| GDP | $2.28T (2025) | $683B (2025) |
| GDP per person | $11K (2025) | $15K (2025) |
| Unemployment | 6% (2025) | 7.2% (2025) |
Economic figures are the latest year published for each country.