Brazil vs Argentina: population pyramids in 1983
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 1983, Brazil has a population of 128.4 million and Argentina 29.2 million; Brazil is about 4.4 times the size of Argentina.
The share aged 65 and over is 3.6% in Brazil and 7.9% in Argentina, 4.3 points higher in Argentina. The median age is 20.7 years in Brazil and 27.0 years in Argentina.
The total fertility rate is 3.72 in Brazil and 3.15 in Argentina, both above the replacement level of about 2.1. Life expectancy at birth is 63.1 years in Brazil and 69.3 years in Argentina.
By 2050, the population of Brazil is projected to grow by 69.6% and that of Argentina to grow by 65.6% compared with 1983.
GDP per person is $11K in Brazil (2025) and $15K in Argentina (2025).
Key figures (1983)
| Brazil | Argentina | |
|---|---|---|
| Population | 128.4 million | 29.2 million |
| Aged 0–14 | 37.8% | 30.9% |
| Aged 15–64 | 58.6% | 61.2% |
| Aged 65+ | 3.6% | 7.9% |
| Median age | 20.7 yrs | 27.0 yrs |
| Old-age dependency | 6.2 | 12.9 |
| Total fertility rate | 3.72 | 3.15 |
| Life expectancy | 63.1 yrs | 69.3 yrs |
| Population growth | +2.22% | +1.61% |
| Net migration (per year) | -76,322 | +46,438 |
| 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.