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

Singapore vs Japan: population pyramids in 2018

2018Swap

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 2018, Singapore has a population of 5.6 million and Japan 126.9 million; Japan is about 23 times the size of Singapore.

The share aged 65 and over is 10.2% in Singapore and 28.1% in Japan, 17.9 points higher in Japan. The median age is 34.9 years in Singapore and 47.7 years in Japan.

The total fertility rate is 0.95 in Singapore and 1.37 in Japan, both below the replacement level of about 2.1. Life expectancy at birth is 83.4 years in Singapore and 84.3 years in Japan.

By 2050, the population of Singapore is projected to grow by 8.4% and that of Japan to shrink by 17.2% compared with 2018.

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

Key figures (2018)

SingaporeJapan
Population5.6 million126.9 million
Aged 0–1412.4%12.6%
Aged 15–6477.4%59.3%
Aged 65+10.2%28.1%
Median age34.9 yrs47.7 yrs
Old-age dependency13.247.5
Total fertility rate0.951.37
Life expectancy83.4 yrs84.3 yrs
Population growth+0.82%-0.14%
Net migration (per year)+21,820+320,601
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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