Fertility in New Zealand, 2005
New Zealand
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World
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2005
Total fertility rate: 1.96
The total fertility rate of New Zealand was 1.96 children per woman in 2005 — below the replacement level of about 2.1. Births were most frequent among women aged 30-34 (116 per 1,000 women in that age group), and the average mother was 29.5 years old. In total, 57,243 babies were born. Source: United Nations, World Population Prospects 2024.
Key indicators, 2005
Total fertility rate
1.96
Births
57,243
Births per 1,000 people
13.8
Mean age of mothers
29.5
Births to mothers aged 15–19
7.1%
Net reproduction rate
0.94
Boys per 100 girls at birth
105.0
Population
4,135,007
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, 2005
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 0.2 | 0.1% | 34 |
| 15-19 | 27.1 | 6.9% | 4,072 |
| 20-24 | 68.1 | 17.4% | 9,766 |
| 25-29 | 104.9 | 26.8% | 13,704 |
| 30-34 | 116.0 | 29.7% | 17,615 |
| 35-39 | 62.2 | 15.9% | 9,960 |
| 40-44 | 12.0 | 3.1% | 1,991 |
| 45-49 | 0.7 | 0.2% | 104 |
| 50-54 | 0.0 | 0.0% | 0 |
Fertility in New Zealand by year