the majority of all Muslims in the world live in countries that have, at some time, elected women as their leaders.Indeed, the three most populous Muslim-majority countries have had women as leaders:
Other Muslim- majority nations which have had female political leaders include:
Nearly one-third of the Parliament of Egypt- the fifth most populous Muslim majority nation- also consists of women.
http://en.wikipedia.org/wiki/Female_political_leaders_in_Islam_and_in_Muslim-majority_countries