Brazil vs Argentina: population pyramids in 2031
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 2031, Brazil has a population of 216.3 million and Argentina 46.6 million; Brazil is about 4.6 times the size of Argentina.
The share aged 65 and over is 13.9% in Brazil and 13.8% in Argentina, almost the same. The median age is 38.1 years in Brazil and 36.1 years in Argentina.
The total fertility rate is 1.57 in Brazil and 1.51 in Argentina, both below the replacement level of about 2.1. Life expectancy at birth is 77.2 years in Brazil and 78.6 years in Argentina.
By 2050, the population of Brazil is projected to grow by 0.6% and that of Argentina to grow by 3.5% compared with 2031.
GDP per person is $11K in Brazil (2025) and $15K in Argentina (2025).
Figures from 2024 are UN medium-variant projections.
Key figures (2031)
| Brazil | Argentina | |
|---|---|---|
| Population | 216.3 million | 46.6 million |
| Aged 0–14 | 17.8% | 17.8% |
| Aged 15–64 | 68.3% | 68.4% |
| Aged 65+ | 13.9% | 13.8% |
| Median age | 38.1 yrs | 36.1 yrs |
| Old-age dependency | 20.4 | 20.1 |
| Total fertility rate | 1.57 | 1.51 |
| Life expectancy | 77.2 yrs | 78.6 yrs |
| Population growth | +0.23% | +0.29% |
| Net migration (per year) | -135,499 | +961 |
| 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.