Tonga Population Pyramid 2045
Tonga in 2045
In 2045, Tonga is projected to have a population of 103,931 people. Compared with 2035, when the projection stands at 101,830, that represents growth of 2.1% over ten years.
The median age is projected at 26.4 years, with 49.6 children under 15 and 17.0 people aged 65 or over for every 100 people of working age (15–64). The pyramid is stationary: cohort sizes are roughly even through the younger ages, reflecting fertility close to replacement level and slow population change.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
The fertility rate of Tonga was 3.13 births per woman in 2023, above the 2.1 needed to replace each generation.
Source: World Bank World Development Indicators, latest available year.
Life expectancy at birth was 72.9 years in 2023: 76.4 for women and 69.4 for men.
Source: World Bank World Development Indicators, latest available year.
998 immigrants live in Tonga, 1.0% of the population.
| Fiji | 450 |
| Samoa | 208 |
| India | 169 |
| China | 109 |
| Japan | 62 |
51,894 people born in Tonga live in other countries.
| New Zealand | 29,981 |
| Australia | 19,464 |
| Fiji | 1,389 |
| Guinea | 901 |
| Samoa | 57 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Tonga | 103,931 | 26.4 | |
| Samoa | 260,262 | 24.4 | |
| French Polynesia | 288,132 | 46.7 |





