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

Japan vs Thailand: population pyramids in 1966

1966Swap

JapanThailand

3%2%1%0%1%2%3%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 Thailand compared

In 1966, Japan has a population of 101.5 million and Thailand 31.6 million; Japan is about 3.2 times the size of Thailand.

The share aged 65 and over is 6.4% in Japan and 2.8% in Thailand, 3.6 points higher in Japan. The median age is 27.7 years in Japan and 17.2 years in Thailand.

The total fertility rate is 1.63 in Japan and 6.18 in Thailand, so only Japan is below the replacement level of about 2.1. Life expectancy at birth is 71.1 years in Japan and 53.7 years in Thailand.

By 2050, the population of Japan is projected to grow by 3.5% and that of Thailand to grow by 110.3% compared with 1966.

GDP per person is $36K in Japan (2025) and $8,057 in Thailand (2025).

Key figures (1966)

JapanThailand
Population101.5 million31.6 million
Aged 0–1424.8%45.4%
Aged 15–6468.8%51.8%
Aged 65+6.4%2.8%
Median age27.7 yrs17.2 yrs
Old-age dependency9.35.5
Total fertility rate1.636.18
Life expectancy71.1 yrs53.7 yrs
Population growth+0.84%+2.93%
Net migration (per year)+68,934+12,016
GDP$4.44T (2025)$577B (2025)
GDP per person$36K (2025)$8,057 (2025)
Unemployment2.5% (2025)0.8% (2025)

Economic figures are the latest year published for each country.

Compare other years