When child survival increases, kids per family decrease at an enormous rate down to one kid per family https://www.ted.com/talks/hans_rosling_on_global_populat

When child survival increases, kids per family decrease at an enormous rate down to one kid per family https://www.ted.com/talks/hans_rosling_on_global_population_growth https://www.ted.com/talks/hans_rosling_on_global_population_...