3% and growing due to both immigration and natural increase. Don't forget, their women start having children at an earlier age. That effectively increases the rate of increase just as shortening the length of compounding periods on a bank account boosts the effective rate of interest. Money held in an account at 1.25% interest compounded quarterly yields more interest than the same amount in an account at 5% interest compounded annually. Muslims have larger families and their women start families at an earlier age. Extrapolated into the future, many European countries will become majority Muslim by the end of this century. Europeans will become minorities in their own countries.