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

Indonesia vs Japan: population pyramids in 2037

2037Swap

IndonesiaJapan

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.

Indonesia and Japan compared

In 2037, Indonesia has a population of 306.9 million and Japan 114.5 million; Indonesia is about 2.7 times the size of Japan.

The share aged 65 and over is 11.0% in Indonesia and 33.3% in Japan, 22.3 points higher in Japan. The median age is 34.5 years in Indonesia and 53.7 years in Japan.

The total fertility rate is 1.94 in Indonesia and 1.30 in Japan, both below the replacement level of about 2.1. Life expectancy at birth is 73.1 years in Indonesia and 86.7 years in Japan.

By 2050, the population of Indonesia is projected to grow by 4.4% and that of Japan to shrink by 8.3% compared with 2037.

GDP per person is $5,060 in Indonesia (2025) and $36K in Japan (2025).

Figures from 2024 are UN medium-variant projections.

Key figures (2037)

IndonesiaJapan
Population306.9 million114.5 million
Aged 0–1421.0%10.1%
Aged 15–6468.0%56.5%
Aged 65+11.0%33.3%
Median age34.5 yrs53.7 yrs
Old-age dependency16.258.9
Total fertility rate1.941.30
Life expectancy73.1 yrs86.7 yrs
Population growth+0.48%-0.65%
Net migration (per year)-48,210+118,603
GDP$1.45T (2025)$4.44T (2025)
GDP per person$5,060 (2025)$36K (2025)
Unemployment3.2% (2025)2.5% (2025)

Economic figures are the latest year published for each country.

Compare other years