American women are working more, through their sixties and even into their seventies. Their increased participation at older ages started in the late 1980s before the turnaround in older men's labor force participation and the economic downturns of the 2000s. The higher labor force participation...

A new lifecycle of women's employment emerged with cohorts born in the 1950s. For prior cohorts, lifecycle employment had a hump shape; it increased from the twenties to the forties, hit a peak and then declined starting in the fifties. The new lifecycle of employment is initially high and flat,...