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

Viet Nam vs Japan: population pyramids in 2027

2027Swap

Viet NamJapan

1%0.75%0.5%0.25%0%0.25%0.5%0.75%1%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 2027, Viet Nam has a population of 102.4 million and Japan 122 million; Japan is about 1.2 times the size of Viet Nam.

The share aged 65 and over is 10.1% in Viet Nam and 30.2% in Japan, 20.1 points higher in Japan. The median age is 35.1 years in Viet Nam and 51.3 years in Japan.

The total fertility rate is 1.85 in Viet Nam and 1.24 in Japan, both below the replacement level of about 2.1. Life expectancy at birth is 75.2 years in Viet Nam and 85.3 years in Japan.

By 2050, the population of Viet Nam is projected to grow by 7.4% and that of Japan to shrink by 13.9% compared with 2027.

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

Figures from 2024 are UN medium-variant projections.

Key figures (2027)

Viet NamJapan
Population102.4 million122 million
Aged 0–1422.2%11.0%
Aged 15–6467.7%58.8%
Aged 65+10.1%30.2%
Median age35.1 yrs51.3 yrs
Old-age dependency14.951.4
Total fertility rate1.851.24
Life expectancy75.2 yrs85.3 yrs
Population growth+0.53%-0.58%
Net migration (per year)-42,913+127,401
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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