Polygamous unions are legal in the United Arab Emirates^[1][2] Muslim polygamy, in practice and law, differs greatly throughout the Islamic world. In some Muslim countries, polygamy is relatively common, while in most others, it is often rare or non-existent. Polygamy is practiced by Muslims in certain regions in West Africa, as well as in certain traditionalist Arabian states such as Saudi Arabia and the United Arab Emirates.

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As with polygyny in Islam in general, men are allowed up to four wives, and women are not permitted multiple husbands.^[1]