Journal of Population Sciences
From: The time to decline: tracing a cohort’s descendants in below replacement populations
Age | Mean age of fertility (μ) | ||
---|---|---|---|
25 | 29 | 33 | |
15–19 | 0.360 | 0.200 | 0.060 |
20–24 | 0.430 | 0.310 | 0.180 |
25–29 | 0.110 | 0.210 | 0.250 |
30–34 | 0.070 | 0.120 | 0.240 |
35–39 | 0.015 | 0.100 | 0.160 |
40–44 | 0.010 | 0.050 | 0.100 |
45–49 | 0.005 | 0.010 | 0.010 |
All ages | 1.000 | 1.000 | 1.000 |