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

Singapore vs Japan: population pyramids in 2025

2025Swap

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 2025, Singapore has a population of 5.9 million and Japan 123.3 million; Japan is about 21 times the size of Singapore.

The share aged 65 and over is 13.9% in Singapore and 29.8% in Japan, 15.9 points higher in Japan. The median age is 36.9 years in Singapore and 50.6 years in Japan.

The total fertility rate is 0.96 in Singapore and 1.23 in Japan, both below the replacement level of about 2.1. Life expectancy at birth is 84.0 years in Singapore and 85.0 years in Japan.

By 2050, the population of Singapore is projected to grow by 4.0% and that of Japan to shrink by 14.8% compared with 2025.

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

Figures from 2024 are UN medium-variant projections.

Key figures (2025)

SingaporeJapan
Population5.9 million123.3 million
Aged 0–1411.7%11.3%
Aged 15–6474.4%58.8%
Aged 65+13.9%29.8%
Median age36.9 yrs50.6 yrs
Old-age dependency18.750.7
Total fertility rate0.961.23
Life expectancy84.0 yrs85.0 yrs
Population growth+0.63%-0.54%
Net migration (per year)+16,892+140,579
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.

Compare other years