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

Viet Nam vs Japan: population pyramids in 2020

2020Swap

Viet NamJapan

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.

Viet Nam and Japan compared

In 2020, Viet Nam has a population of 97.6 million and Japan 126.5 million; Japan is about 1.3 times the size of Viet Nam.

The share aged 65 and over is 7.4% in Viet Nam and 28.7% in Japan, 21.3 points higher in Japan. The median age is 31.8 years in Viet Nam and 48.4 years in Japan.

The total fertility rate is 1.96 in Viet Nam and 1.30 in Japan, both below the replacement level of about 2.1. Life expectancy at birth is 75.4 years in Viet Nam and 84.7 years in Japan.

By 2050, the population of Viet Nam is projected to grow by 12.7% and that of Japan to shrink by 16.9% compared with 2020.

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

Key figures (2020)

Viet NamJapan
Population97.6 million126.5 million
Aged 0–1424.5%12.3%
Aged 15–6468.1%59.0%
Aged 65+7.4%28.7%
Median age31.8 yrs48.4 yrs
Old-age dependency10.948.6
Total fertility rate1.961.30
Life expectancy75.4 yrs84.7 yrs
Population growth+0.94%-0.43%
Net migration (per year)-6,457+42,001
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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