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Viet Nam vs Japan: population pyramids in 1951

1951Swap

Viet NamJapan

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.

Viet Nam and Japan compared

In 1951, Viet Nam has a population of 25.4 million and Japan 87.2 million; Japan is about 3.4 times the size of Viet Nam.

The share aged 65 and over is 4.2% in Viet Nam and 4.9% in Japan, 0.7 points higher in Japan. The median age is 24.0 years in Viet Nam and 22.4 years in Japan.

The total fertility rate is 4.65 in Viet Nam and 3.23 in Japan, both above the replacement level of about 2.1. Life expectancy at birth is 48.7 years in Viet Nam and 61.0 years in Japan.

By 2050, the population of Viet Nam is projected to grow by 333.6% and that of Japan to grow by 20.5% compared with 1951.

GDP per person is $5,066 in Viet Nam (2025) and $36K in Japan (2025).

Key figures (1951)

Viet NamJapan
Population25.4 million87.2 million
Aged 0–1433.1%35.1%
Aged 15–6462.8%60.0%
Aged 65+4.2%4.9%
Median age24.0 yrs22.4 yrs
Old-age dependency6.68.2
Total fertility rate4.653.23
Life expectancy48.7 yrs61.0 yrs
Population growth+1.80%+1.50%
Net migration (per year)+0-54,567
GDP$515B (2025)$4.44T (2025)
GDP per person$5,066 (2025)$36K (2025)
Unemployment1.5% (2025)2.5% (2025)

Economic figures are the latest year published for each country.

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