An estimated 10% of Bangladeshi men are in polygamous marriage; much lower than the average rate found in other nations that permit polygamy.
Only Muslim and African countries (with the sole exception of Myanmar) permit polygamy.
(The British rule at that time permitted polygamy.)
Some societies permit polygamy, in which a man could have multiple wives; even in such societies however, most men have only one.
Shari'a, as practiced in the country, permits polygamy.
In countries that do not permit polygamy, the practice is considered bigamy.
Textual Hindu Law permitted polygamy for a man.
Islam still permits polygamy under certain specified conditions.
The justification for the discrepancy is that the Bible permitted polygamy, but did not allow women more than one husband.
In 1929, Mumba was associated with formation of the African National Church, which permitted polygamy.