Fertility in Tonga, 2100
Tonga
Afghanistan
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Less developed regions, excluding China
Less developed regions, excluding least developed countries
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Other non-specified areas
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World
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2100
Total fertility rate: 1.93
The total fertility rate of Tonga is projected at 1.93 children per woman in 2100 — below the replacement level of about 2.1. Births are projected to be most frequent among women aged 30-34 (120 per 1,000 women in that age group), and the average mother would be 29.8 years old. In total, 1,365 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).
Key indicators, 2100
Total fertility rate
1.93
Births
1,365
Births per 1,000 people
11.6
Mean age of mothers
29.8
Births to mothers aged 15–19
4.6%
Net reproduction rate
0.92
Boys per 100 girls at birth
108.1
Population
117,871
The net reproduction rate counts only daughters who survive to their mothers' age: below 1, each generation of women is smaller than the one before.
Fertility by age of mother, 2100
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 0.3 | 0.1% | 0 |
| 15-19 | 18.3 | 4.7% | 63 |
| 20-24 | 68.4 | 17.7% | 241 |
| 25-29 | 106.3 | 27.5% | 381 |
| 30-34 | 120.2 | 31.1% | 428 |
| 35-39 | 55.0 | 14.2% | 188 |
| 40-44 | 17.3 | 4.5% | 58 |
| 45-49 | 1.0 | 0.3% | 3 |
| 50-54 | 0.0 | 0.0% | 0 |
Fertility in Tonga by year