It is appearant that Christians have low fertility rates and higher death rates except in Southeast Asia and especially Africa, to so extant to be on par with Japan in terms of population decrease level.
Kudos to Christians and Jews in their ''work'', as today's Christianity is far away from Abrahamic reality of believing in the God while being much or even more closer to Eastern religions in terms of principles of faith to the God. Jews follow the Christians next.
And please do not say something about Muslims, even an idiot will know that some of them are complete bigots and really out of their religion for purpose.