Re:The global population pyramid
by lordnacho on Monday April 22, 2019 @05:10AM
(#19717515)
> What's with the sudden pinch in the population of 20-year-olds in 2018?
I'm no expert on this but I would guess the peak of China's one-child policy? Someone more knowledgeable might know more about the history of specific exemptions (city vs rural) and such.
There's also implications for reporting bias, which might explain why the older data doesn't look so peaky.
I'm no expert on this but I would guess the peak of China's one-child policy? Someone more knowledgeable might know more about the history of specific exemptions (city vs rural) and such.
There's also implications for reporting bias, which might explain why the older data doesn't look so peaky.