Countries Where Polygamy Is Legal 

Afghanistan Polygyny legal for up to four wives

Bangladesh Legal and recognized, but often heavily taxed

Bhutan  Legal (including polyandry via customary law) but not civilly recognized. Increasingly rare

Egypt  Legal and recognized

Gambia  Polygyny legal for up to four wives; common

India   Polygyny legal up to four wives, but only for Muslims.

Pakistan Polygyny legal up to four wives, but only for Muslims. Men must prove ability to financially support multiple wives