… is being conceived in Africa right now.

For example, here are the UN’s latest population projections for Nigeria and the United Kingdom. Nigeria is half Muslim, and the Muslim half appears to have higher fertility rates, as exemplified by the Islamist Boko Haram kidnapping all those Christian schoolgirls last year (many of whom are pregnant by now, I would guess).

Without stringent immigration control at the Mediterranean “moat” and a concerted effort by Westerners to popularize and subsidize family planning in Africa, will there be any Jews left alive in Europe in 2100?