During the last four decades, the two-child family ideal has become nearly universal across the low-fertility countries. The proportion of families with two children, which was growing during the baby boom, stopped increasing in the late 1940s and early 1950s birth cohorts, remaining far below...

During the last four decades, the two-child family ideal has become nearly universal across the low-fertility countries. The proportion of families with two children, which was growing during the baby boom, stopped increasing in the late 1940s and early 1950s birth cohorts, remaining far below...