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Indonesia vs Japan: population pyramids in 1976

1976Swap

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 1976, Indonesia has a population of 133.5 million and Japan 113.9 million; Indonesia is about 1.2 times the size of Japan.

The share aged 65 and over is 3.4% in Indonesia and 8.0% in Japan, 4.6 points higher in Japan. The median age is 18.8 years in Indonesia and 30.8 years in Japan.

The total fertility rate is 4.92 in Indonesia and 1.84 in Japan, so only Japan is below the replacement level of about 2.1. Life expectancy at birth is 56.5 years in Indonesia and 74.8 years in Japan.

By 2050, the population of Indonesia is projected to grow by 140.0% and that of Japan to shrink by 7.8% compared with 1976.

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

Key figures (1976)

IndonesiaJapan
Population133.5 million113.9 million
Aged 0–1441.9%23.9%
Aged 15–6454.6%68.1%
Aged 65+3.4%8.0%
Median age18.8 yrs30.8 yrs
Old-age dependency6.311.8
Total fertility rate4.921.84
Life expectancy56.5 yrs74.8 yrs
Population growth+2.47%+0.97%
Net migration (per year)+48,010-34,976
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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