Fertility in Tonga, 2008
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2008
Total fertility rate: 4.01
The total fertility rate of Tonga was 4.01 children per woman in 2008 — above the replacement level of about 2.1. Births were most frequent among women aged 25-29 (222 per 1,000 women in that age group), and the average mother was 30.4 years old. In total, 3,073 babies were born. Source: United Nations, World Population Prospects 2024.
Key indicators, 2008
Total fertility rate
4.01
Births
3,073
Births per 1,000 people
28.7
Mean age of mothers
30.4
Births to mothers aged 15–19
4.0%
Net reproduction rate
1.87
Boys per 100 girls at birth
108.1
Population
107,020
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, 2008
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 0.2 | 0.0% | 1 |
| 15-19 | 22.9 | 2.9% | 122 |
| 20-24 | 149.4 | 18.6% | 714 |
| 25-29 | 221.9 | 27.6% | 911 |
| 30-34 | 208.6 | 26.0% | 710 |
| 35-39 | 139.0 | 17.3% | 454 |
| 40-44 | 54.0 | 6.7% | 147 |
| 45-49 | 7.0 | 0.9% | 15 |
| 50-54 | 0.3 | 0.0% | 0 |
Fertility in Tonga by year