Fertility in Tonga, 1961
Tonga
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1961
Total fertility rate: 6.61
The total fertility rate of Tonga was 6.61 children per woman in 1961 — above the replacement level of about 2.1. Births were most frequent among women aged 25-29 (357 per 1,000 women in that age group), and the average mother was 30.6 years old. In total, 2,984 babies were born. Source: United Nations, World Population Prospects 2024.
Key indicators, 1961
Total fertility rate
6.61
Births
2,984
Births per 1,000 people
43.9
Mean age of mothers
30.6
Births to mothers aged 15–19
6.3%
Net reproduction rate
2.74
Boys per 100 girls at birth
108.2
Population
68,037
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, 1961
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 0.7 | 0.1% | 3 |
| 15-19 | 55.5 | 4.2% | 189 |
| 20-24 | 238.4 | 18.0% | 686 |
| 25-29 | 356.5 | 26.9% | 885 |
| 30-34 | 298.0 | 22.5% | 631 |
| 35-39 | 259.2 | 19.6% | 441 |
| 40-44 | 96.9 | 7.3% | 129 |
| 45-49 | 17.9 | 1.4% | 18 |
| 50-54 | 0.7 | 0.1% | 0 |
Fertility in Tonga by year