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

Thailand vs Japan: population pyramids in 1974

1974Swap

ThailandJapan

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.

Thailand and Japan compared

In 1974, Thailand has a population of 39.5 million and Japan 111.3 million; Japan is about 2.8 times the size of Thailand.

The share aged 65 and over is 3.0% in Thailand and 7.7% in Japan, 4.6 points higher in Japan. The median age is 18.0 years in Thailand and 30.3 years in Japan.

The total fertility rate is 4.60 in Thailand and 2.07 in Japan, so only Japan is below the replacement level of about 2.1. Life expectancy at birth is 59.0 years in Thailand and 73.8 years in Japan.

By 2050, the population of Thailand is projected to grow by 68.5% and that of Japan to shrink by 5.6% compared with 1974.

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

Key figures (1974)

ThailandJapan
Population39.5 million111.3 million
Aged 0–1443.3%23.7%
Aged 15–6453.7%68.7%
Aged 65+3.0%7.7%
Median age18.0 yrs30.3 yrs
Old-age dependency5.611.2
Total fertility rate4.602.07
Life expectancy59.0 yrs73.8 yrs
Population growth+2.49%+1.23%
Net migration (per year)+72,801-10,145
GDP$577B (2025)$4.44T (2025)
GDP per person$8,057 (2025)$36K (2025)
Unemployment0.8% (2025)2.5% (2025)

Economic figures are the latest year published for each country.

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