Fertility/birth rates. A reminder - one child policy was introduced in 1979 and repelled in 2015, neither of those dates had any visible effect: Fertility rate

Fertility/birth rates. A reminder - one child policy was introduced in 1979 and repelled in 2015, neither of those dates had any visible effect: Fertility rate: https://fred.stlouisfed.org/series/SPDYNTFRTINCHN https://fred.stlouisfed.org/series/SPDYNTFRTINCHN Birth rate: https://fred.stlouisfed.org/series/SPDYNCBRTINCHN https://fred.stlouisfed.org/series/SPDYNCBRTINCHN And it is not like the Chinese govt didn't try, they were serious about it. It's just that birth rates are mysterious. People will have kids when they want to, and will stop having kids when they want to, and they will listen to nobody. No authority.