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

Japan vs Viet Nam: population pyramids in 1964

1964Swap

JapanViet Nam

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.

Japan and Viet Nam compared

In 1964, Japan has a population of 99.4 million and Viet Nam 35.7 million; Japan is about 2.8 times the size of Viet Nam.

The share aged 65 and over is 6.1% in Japan and 5.0% in Viet Nam, 1.1 points higher in Japan. The median age is 27.1 years in Japan and 19.4 years in Viet Nam.

The total fertility rate is 2.00 in Japan and 6.29 in Viet Nam, so only Japan is below the replacement level of about 2.1. Life expectancy at birth is 70.2 years in Japan and 57.5 years in Viet Nam.

By 2050, the population of Japan is projected to grow by 5.7% and that of Viet Nam to grow by 207.9% compared with 1964.

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

Key figures (1964)

JapanViet Nam
Population99.4 million35.7 million
Aged 0–1426.2%43.4%
Aged 15–6467.6%51.6%
Aged 65+6.1%5.0%
Median age27.1 yrs19.4 yrs
Old-age dependency9.09.7
Total fertility rate2.006.29
Life expectancy70.2 yrs57.5 yrs
Population growth+0.96%+2.61%
Net migration (per year)-100,696-6,328
GDP$4.44T (2025)$515B (2025)
GDP per person$36K (2025)$5,066 (2025)
Unemployment2.5% (2025)1.5% (2025)

Economic figures are the latest year published for each country.

Compare other years