Thailand vs Viet Nam: population pyramids in 1990
ThailandViet Nam
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 Viet Nam compared
In 1990, Thailand has a population of 54.3 million and Viet Nam 64.8 million; Viet Nam is about 1.2 times the size of Thailand.
The share aged 65 and over is 3.9% in Thailand and 5.5% in Viet Nam, 1.6 points higher in Viet Nam. The median age is 23.9 years in Thailand and 20.4 years in Viet Nam.
The total fertility rate is 2.07 in Thailand and 3.60 in Viet Nam, so only Thailand is below the replacement level of about 2.1. Life expectancy at birth is 68.9 years in Thailand and 69.0 years in Viet Nam.
By 2050, the population of Thailand is projected to grow by 22.5% and that of Viet Nam to grow by 69.7% compared with 1990.
GDP per person is $8,057 in Thailand (2025) and $5,066 in Viet Nam (2025).
Key figures (1990)
| Thailand | Viet Nam | |
|---|---|---|
| Population | 54.3 million | 64.8 million |
| Aged 0–14 | 30.4% | 38.7% |
| Aged 15–64 | 65.8% | 55.9% |
| Aged 65+ | 3.9% | 5.5% |
| Median age | 23.9 yrs | 20.4 yrs |
| Old-age dependency | 5.9 | 9.8 |
| Total fertility rate | 2.07 | 3.60 |
| Life expectancy | 68.9 yrs | 69.0 yrs |
| Population growth | +1.67% | +2.13% |
| Net migration (per year) | +152,916 | -57,221 |
| GDP | $577B (2025) | $515B (2025) |
| GDP per person | $8,057 (2025) | $5,066 (2025) |
| Unemployment | 0.8% (2025) | 1.5% (2025) |
Economic figures are the latest year published for each country.