A short-ish read on how the UN does population projections and major factors contributing to the expected population decline: https://esa.un.org/unpd/wpp/Publi

A short-ish read on how the UN does population projections and major factors contributing to the expected population decline: https://esa.un.org/unpd/wpp/Publications/Files/Key_Findings_WPP_2015.pdf https://esa.un.org/unpd/wpp/Publications/Files/Key_Findings_...