Journal of Population Sciences
Variables | Birth cohorts | |||
---|---|---|---|---|
1980–1989 (n = 30,330) | 1990–1999 (n = 74,211) | 2000–2009 (n = 106,478) | ≥ 2010 (n = 21,071) | |
Child-related variables | ||||
Male sex | 52.3 | 51.3 | 51.0 | 50.4 |
Birth order | ||||
1 | 32.8 | 23.7 | 20.3 | 19.9 |
2–3 | 41.7 | 36.0 | 33.6 | 32.4 |
4–5 | 18.2 | 22.2 | 23.2 | 23.1 |
6+ | 7.4 | 18.1 | 22.9 | 24.7 |
Birth interval | ||||
First born | 32.8 | 23.7 | 20.3 | 19.9 |
< 24 | 27.1 | 26.1 | 23.8 | 17.1 |
24–36 | 28.5 | 30.5 | 31.9 | 33.2 |
> 36 | 11.7 | 19.6 | 24.0 | 29.9 |
Maternal variables | ||||
Age at child’s birth | ||||
< 20 | 37.9 | 21.4 | 16.0 | 12.6 |
20–34 | 61.9 | 73.5 | 69.5 | 70.3 |
≥ 35 | 0.2 | 5.1 | 14.5 | 17.1 |
Education | ||||
None | 59.9 | 54.5 | 51.4 | 48.9 |
Primary | 24.8 | 24.7 | 22.5 | 18.6 |
Secondary/higher | 15.3 | 20.8 | 26.0 | 32.5 |
Household wealth quintile | ||||
Poorest | 24.4 | 25.0 | 24.9 | 23.4 |
Poorer | 22.4 | 22.8 | 23.2 | 23.3 |
Middle | 21.0 | 20.3 | 19.1 | 18.9 |
Richer | 18.4 | 17.6 | 17.3 | 17.7 |
Richest | 13.8 | 14.4 | 15.5 | 16.7 |
Religion | ||||
Christianity | 39.3 | 38.2 | 37.3 | 36.4 |
Islam | 46.3 | 51.0 | 58.1 | 62.1 |
Others | 14.4 | 10.8 | 4.6 | 1.5 |
Type of place of residence | ||||
Rural | 31.1 | 30.8 | 31.4 | 34.6 |
Urban | 68.8 | 69.2 | 68.6 | 65.4 |
Region | ||||
North Central | 16.6 | 17.5 | 17.5 | 17.3 |
North East | 34.5 | 35.1 | 35.9 | 37.5 |
North West | 12.0 | 13.2 | 13.6 | 13.7 |
South East | 10.4 | 9.4 | 8.6 | 8.9 |
South South | 14.4 | 11.7 | 10.7 | 9.4 |
South West | 12.0 | 13.1 | 13.8 | 13.2 |