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

Singapore vs Japan: population pyramids in 2020

2020Swap

SingaporeJapan

1.5%1%0.5%0%0.5%1%1.5%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.

Singapore and Japan compared

In 2020, Singapore has a population of 5.7 million and Japan 126.5 million; Japan is about 22 times the size of Singapore.

The share aged 65 and over is 11.2% in Singapore and 28.7% in Japan, 17.5 points higher in Japan. The median age is 35.3 years in Singapore and 48.4 years in Japan.

The total fertility rate is 0.94 in Singapore and 1.30 in Japan, both below the replacement level of about 2.1. Life expectancy at birth is 83.7 years in Singapore and 84.7 years in Japan.

By 2050, the population of Singapore is projected to grow by 7.1% and that of Japan to shrink by 16.9% compared with 2020.

GDP per person is $99K in Singapore (2025) and $36K in Japan (2025).

Key figures (2020)

SingaporeJapan
Population5.7 million126.5 million
Aged 0–1412.2%12.3%
Aged 15–6476.6%59.0%
Aged 65+11.2%28.7%
Median age35.3 yrs48.4 yrs
Old-age dependency14.648.6
Total fertility rate0.941.30
Life expectancy83.7 yrs84.7 yrs
Population growth-2.19%-0.43%
Net migration (per year)-145,556+42,001
GDP$604B (2025)$4.44T (2025)
GDP per person$99K (2025)$36K (2025)
Unemployment2.8% (2025)2.5% (2025)

Economic figures are the latest year published for each country.

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