Births per 1,000 women, by age of mother
Fertility in Australia, 1981
Australia
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Less developed regions, excluding least developed countries
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World
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1981
Total fertility rate: 1.94
The total fertility rate of Australia was 1.94 children per woman in 1981 — below the replacement level of about 2.1. Births were most frequent among women aged 25-29 (145 per 1,000 women in that age group), and the average mother was 27.2 years old. In total, 235,219 babies were born. Source: United Nations, World Population Prospects 2024.
Key indicators, 1981
Total fertility rate
1.94
Births
235,219
Births per 1,000 people
15.7
Mean age of mothers
27.2
Births to mothers aged 15–19
7.7%
Net reproduction rate
0.93
Boys per 100 girls at birth
105.6
Population
14,949,202
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, 1981
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 0.2 | 0.1% | 142 |
| 15-19 | 28.4 | 7.3% | 18,023 |
| 20-24 | 107.3 | 27.6% | 68,537 |
| 25-29 | 145.3 | 37.4% | 87,886 |
| 30-34 | 78.0 | 20.1% | 46,491 |
| 35-39 | 25.0 | 6.4% | 12,199 |
| 40-44 | 4.5 | 1.2% | 1,848 |
| 45-49 | 0.3 | 0.1% | 92 |
| 50-54 | 0.0 | 0.0% | 0 |
Fertility in Australia by year