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

Japan vs Indonesia: population pyramids in 2025

2025Swap

JapanIndonesia

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 Indonesia compared

In 2025, Japan has a population of 123.3 million and Indonesia 284.6 million; Indonesia is about 2.3 times the size of Japan.

The share aged 65 and over is 29.8% in Japan and 7.4% in Indonesia, 22.4 points higher in Japan. The median age is 50.6 years in Japan and 31.2 years in Indonesia.

The total fertility rate is 1.23 in Japan and 2.10 in Indonesia, so only Japan is below the replacement level of about 2.1. Life expectancy at birth is 85.0 years in Japan and 71.4 years in Indonesia.

By 2050, the population of Japan is projected to shrink by 14.8% and that of Indonesia to grow by 12.6% compared with 2025.

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

Figures from 2024 are UN medium-variant projections.

Key figures (2025)

JapanIndonesia
Population123.3 million284.6 million
Aged 0–1411.3%24.4%
Aged 15–6458.8%68.2%
Aged 65+29.8%7.4%
Median age50.6 yrs31.2 yrs
Old-age dependency50.710.9
Total fertility rate1.232.10
Life expectancy85.0 yrs71.4 yrs
Population growth-0.54%+0.77%
Net migration (per year)+140,579-39,509
GDP$4.44T (2025)$1.45T (2025)
GDP per person$36K (2025)$5,060 (2025)
Unemployment2.5% (2025)3.2% (2025)

Economic figures are the latest year published for each country.

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