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Indonesia vs Japan: population pyramids in 1951

1951Swap

IndonesiaJapan

2%1.5%1%0.5%0%0.5%1%1.5%2%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 1951, Indonesia has a population of 69.5 million and Japan 87.2 million; Japan is about 1.3 times the size of Indonesia.

The share aged 65 and over is 1.8% in Indonesia and 4.9% in Japan, 3.1 points higher in Japan. The median age is 19.0 years in Indonesia and 22.4 years in Japan.

The total fertility rate is 5.16 in Indonesia and 3.23 in Japan, both above the replacement level of about 2.1. Life expectancy at birth is 40.8 years in Indonesia and 61.0 years in Japan.

By 2050, the population of Indonesia is projected to grow by 361.0% and that of Japan to grow by 20.5% compared with 1951.

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

Key figures (1951)

IndonesiaJapan
Population69.5 million87.2 million
Aged 0–1440.9%35.1%
Aged 15–6457.3%60.0%
Aged 65+1.8%4.9%
Median age19.0 yrs22.4 yrs
Old-age dependency3.18.2
Total fertility rate5.163.23
Life expectancy40.8 yrs61.0 yrs
Population growth+2.19%+1.50%
Net migration (per year)+89,837-54,567
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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