Birth rates are dropping in pretty every high-birth-rate population, even ones with very strong cultural/religious tendencies to reproduce (e.g. http://forward.

Birth rates are dropping in pretty every high-birth-rate population, even ones with very strong cultural/religious tendencies to reproduce (e.g. http://forward.com/articles/139391/in-israel-haredi-and-muslim-women-are-having-fewer/ http://forward.com/articles/139391/in-israel-haredi-and-musl... is a good example that surprised me). I'd be interested in what populations you think have high birth rates, will continue to do so, and how big those populations are...