Tonga Population Pyramid 2030
Tonga
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2030
Population:
102,071
Summary
Tonga in 2030
By 2030, the population of Tonga is expected to reach 102,072. That would be 3.4% less than in 2020 (105,704).
With a projected median age of 22.8 years, Tonga would have a youth dependency ratio of 53.0 and an old-age dependency ratio of 12.4 per 100 people of working age. This is an expansive pyramid — each cohort of children is larger than the one above it, the signature of high birth rates and rapid growth.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
Key indicators for Tonga
What is driving the change
Births per woman
Total fertility rate, 1960–2023
1234567
1960Replacement level (2.1)2023 · 3.13
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
Years, 1960–2023
Total
Women
Men
50607080
19602023 · 72.9
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.
People supported per 100 workers
Dependency ratios, 1950–2100
Children
Older adults
255075100
19502100
Migration to and from Tonga
Where immigrants come from (2024)
998 immigrants live in Tonga, 1.0% of the population.
| Fiji | 450 |
| Samoa | 208 |
| India | 169 |
| China | 109 |
| Japan | 62 |
Where emigrants live (2024)
51,894 people born in Tonga live in other countries.
| New Zealand | 29,981 |
| Australia | 19,464 |
| Fiji | 1,389 |
| Guinea | 901 |
| Samoa | 57 |
Explore
Immigration statistics
Origin of migrant stocks map
Source: United Nations International Migrant Stock 2024.
How Tonga compares with its neighbours
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Tonga | 102,072 | 22.8 | |
| Samoa | 225,972 | 21.5 | |
| French Polynesia | 285,547 | 40.0 |
Frequently asked questions about Tonga's population
What will the population of Tonga be in 2030?
UN projections put Tonga's population at 102,072 in 2030.
Is Tonga's population growing or shrinking?
Yes, shrinking: down 3.4% from 2020, with a projected population of 105,195 in 2050.
What is the median age in Tonga?
The median age in Tonga is 22.8 years — half the population is younger, half older.
How many children and older people live in Tonga?
7.5% of Tonga's population is 65 or older, and 32.1% is under 15.
What shape is Tonga's population pyramid, and what does it mean?
Tonga has an expansive pyramid: a wide base of young cohorts reflecting high fertility and continued population growth.
