What countries allow polygamy?
Well, in countries like India, Singapore, Malaysia, polygamy is valid and is legal only for Muslims. While in countries like Algeria, Egypt, Cameroon, polygamy still has recognition and is in practice. These are the few places where polygamy is legal even today.
In which Muslim country polygamy is illegal?
Turkey was the first Muslim-majority country to legally ban polygyny in 1926. This decision was not based on religious reasons, but rather was an entirely secular ban. Tunisia was the next country to ban polygyny through legislation passed in 1956 and restated in 1964.