Brazil vs Argentina: population pyramids in 1974
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 1974, Brazil has a population of 103.8 million and Argentina 25.3 million; Brazil is about 4.1 times the size of Argentina.
The share aged 65 and over is 3.2% in Brazil and 7.0% in Argentina, 3.9 points higher in Argentina. The median age is 18.9 years in Brazil and 26.9 years in Argentina.
The total fertility rate is 4.50 in Brazil and 3.22 in Argentina, both above the replacement level of about 2.1. Life expectancy at birth is 59.1 years in Brazil and 66.4 years in Argentina.
By 2050, the population of Brazil is projected to grow by 109.6% and that of Argentina to grow by 91.2% compared with 1974.
GDP per person is $11K in Brazil (2025) and $15K in Argentina (2025).
Key figures (1974)
| Brazil | Argentina | |
|---|---|---|
| Population | 103.8 million | 25.3 million |
| Aged 0–14 | 41.1% | 29.5% |
| Aged 15–64 | 55.7% | 63.4% |
| Aged 65+ | 3.2% | 7.0% |
| Median age | 18.9 yrs | 26.9 yrs |
| Old-age dependency | 5.7 | 11.1 |
| Total fertility rate | 4.50 | 3.22 |
| Life expectancy | 59.1 yrs | 66.4 yrs |
| Population growth | +2.38% | +1.65% |
| Net migration (per year) | -24,093 | +33,134 |
| 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.