People in mostly middle-income survey countries say it’s ideal to start a family and own a home by 30, and retire by 60.

A Pew Research survey of 3,600 U.S. adults revealed the ideal ages for life milestones: marriage (26.5), first child (27.3), ...

Developmental milestones are physical or behavioral signs of progress in infants and children. Unlike growth, these are ...

These averages are reflective of a larger cultural trend among younger Americans — they're hitting these milestones later in life than previous generations, according to a Pew analysis from 2023.