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

Indonesia vs Japan: population pyramids in 2025

2025Swap

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

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

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

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

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

Figures from 2024 are UN medium-variant projections.

Key figures (2025)

IndonesiaJapan
Population284.6 million123.3 million
Aged 0–1424.4%11.3%
Aged 15–6468.2%58.8%
Aged 65+7.4%29.8%
Median age31.2 yrs50.6 yrs
Old-age dependency10.950.7
Total fertility rate2.101.23
Life expectancy71.4 yrs85.0 yrs
Population growth+0.77%-0.54%
Net migration (per year)-39,509+140,579
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.

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