Fertility timing and the birth squeeze (by Robert Schoen)

Objective: To provide an in-depth examination of the birth squeeze, the alteration of male and female birth rates by the age-sex composition of the population. Methods: Mathematical analyses using reasonable simplifying assumptions are made to find male and female total fertility rates (TFRs), and from them an index of the magnitude of the birth squeeze under exponential, linear, and sinusoidal birth trajectories. Results: Explicit equations are shown for male and female TFRs and for birth squee