Journal of Population Sciences
From: The time to decline: tracing a cohort’s descendants in below replacement populations
Measure | USA 2012 | Italy 2012* | Hong Kong 2011 |
Life expectancy at birth | 81.2 | 84.6 | 86.7 |
Total fertility rate | 1.88 | 1.43 | 1.56 |
Net reproduction rate | 0.92 | 0.70 | 0.76 |
Mean age of fertility | 28.6 | 31.4 | 31.2 |
Variance of age of fertility | 38.3 | 33.4 | 30.7 |
Time to decline (t*) | 341.7 | 126.7 | 157.5 |
Ratio of total population size to initial cohort size at year: | |||
100 | 2.28 | 1.35 | 1.64 |
150 | 1.93 | 0.79 | 1.08 |
200 | 1.62 | 0.43 | 0.68 |
250 | 1.36 | 0.24 | 0.44 |
300 | 1.14 | 0.14 | 0.28 |