Births per 1,000 women, by age of mother
Fertility in Iceland, 1978
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1978
Total fertility rate: 2.35
The total fertility rate of Iceland was 2.35 children per woman in 1978 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (142 per 1,000 women in that age group), and the average mother was 26.9 years old. In total, 4,170 babies were born. Source: United Nations, World Population Prospects 2024.
Key indicators, 1978
Total fertility rate
2.35
Births
4,170
Births per 1,000 people
18.7
Mean age of mothers
26.9
Births to mothers aged 15–19
14.6%
Net reproduction rate
1.12
Boys per 100 girls at birth
105.6
Population
223,572
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, 1978
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 0.3 | 0.1% | 3 |
| 15-19 | 55.6 | 11.8% | 610 |
| 20-24 | 142.2 | 30.1% | 1,447 |
| 25-29 | 134.4 | 28.5% | 1,167 |
| 30-34 | 86.8 | 18.4% | 641 |
| 35-39 | 42.8 | 9.1% | 249 |
| 40-44 | 9.6 | 2.0% | 51 |
| 45-49 | 0.4 | 0.1% | 2 |
| 50-54 | 0.0 | 0.0% | 0 |
Fertility in Iceland by year