World Population PyramidsPopulation pyramids and indicators by country and year日本語

Japan vs Brazil: population pyramids in 2045

2045Swap

JapanBrazil

1%0.75%0.5%0.25%0%0.25%0.5%0.75%1%0102030405060708090100MaleFemale

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.

Japan and Brazil compared

In 2045, Japan has a population of 108.6 million and Brazil 219.1 million; Brazil is about 2.0 times the size of Japan.

The share aged 65 and over is 36.6% in Japan and 19.7% in Brazil, 16.8 points higher in Japan. The median age is 53.9 years in Japan and 43.3 years in Brazil.

The total fertility rate is 1.33 in Japan and 1.57 in Brazil, both below the replacement level of about 2.1. Life expectancy at birth is 87.8 years in Japan and 79.5 years in Brazil.

By 2050, the population of Japan is projected to shrink by 3.3% and that of Brazil to shrink by 0.7% compared with 2045.

GDP per person is $36K in Japan (2025) and $11K in Brazil (2025).

Figures from 2024 are UN medium-variant projections.

Key figures (2045)

JapanBrazil
Population108.6 million219.1 million
Aged 0–1410.9%15.2%
Aged 15–6452.5%65.0%
Aged 65+36.6%19.7%
Median age53.9 yrs43.3 yrs
Old-age dependency69.630.3
Total fertility rate1.331.57
Life expectancy87.8 yrs79.5 yrs
Population growth-0.65%-0.08%
Net migration (per year)+113,424-32,815
GDP$4.44T (2025)$2.28T (2025)
GDP per person$36K (2025)$11K (2025)
Unemployment2.5% (2025)6% (2025)

Economic figures are the latest year published for each country.

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