Many Muslim countries do not allow polygamy at all. https://en.wikipedia.org/wiki/Legality_of_polygamy Some countries allow it through strict conditions. But it is socially disliked and gradually becoming obsolete. read more
Muslim Nations: Polygamy is practiced openly in Jordan, Israel, Syria, Yemen, Iraq, and Iran, as well as some of the Muslim nations of North Africa--including Egypt, Sudan, Morocco, and Algeria. These countries are made of mostly agricultural communities, where women are responsible for working the fields, while men work with the cattle. read more
Polygamy is illegal in Turkey and Tunisia and is put at 3% in Egypt according to official figures. Mufti Barkatulla, who drew up the UK Muslim marriage contract and sits on the family panel of judges for the UK Islamic Shari'ah Council, knows of not one polygamous marriage among second-generation Muslims in Britain. read more