Hans Rosling explained very well why advancements in National wealth leads to smaller families (less children per family) and longer lives It's linked to becom

Hans Rosling explained very well why advancements in National wealth leads to smaller families (less children per family) and longer lives It's linked to becoming richer countries, which China has become https://youtu.be/hVimVzgtD6w https://youtu.be/hVimVzgtD6w