Please do not exagerrate the number of Muslims --- most of whom are Muslim in name only and quite illiterate.
One is not permitted to declare apostacy: But if they turn renegades, seize them and slay them wherever you find them. - Kor'an 4:89
When the sacred months are over, slay the idolaters wherever you find them. Arrest them, besiege them, and lie in ambush everywhere for them. - Kor'an 9:5