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

Indonesia vs Japan: population pyramids in 1977

1977Swap

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 1977, Indonesia has a population of 136.8 million and Japan 115.1 million; Indonesia is about 1.2 times the size of Japan.

The share aged 65 and over is 3.5% in Indonesia and 8.2% in Japan, 4.7 points higher in Japan. The median age is 18.9 years in Indonesia and 31.0 years in Japan.

The total fertility rate is 4.81 in Indonesia and 1.79 in Japan, so only Japan is below the replacement level of about 2.1. Life expectancy at birth is 57.1 years in Indonesia and 75.3 years in Japan.

By 2050, the population of Indonesia is projected to grow by 134.2% and that of Japan to shrink by 8.7% compared with 1977.

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

Key figures (1977)

IndonesiaJapan
Population136.8 million115.1 million
Aged 0–1441.7%23.9%
Aged 15–6454.8%67.9%
Aged 65+3.5%8.2%
Median age18.9 yrs31.0 yrs
Old-age dependency6.412.1
Total fertility rate4.811.79
Life expectancy57.1 yrs75.3 yrs
Population growth+2.44%+0.89%
Net migration (per year)+45,610-49,082
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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