According to the Ethnographic Atlas Codebook, of the 1231 societies that were studied, 453 had occasional polygamy, 588 had more frequent polygyny. Specifically, polygamous communities exist in Algeria, Benin, Chad, Congo, Ghana, Togo, Tanzania, Thailand, Saudi Arabia, the United Arab Emirates, Egypt, Kuwait, and Jordan, among fringe Mormon communities in the United States of America, and indigenous groups in Canada. Moreover, in this era of globalization polygamy is becoming increasingly common in both Europe and North America. Accurate data regarding the scope of polygamy is limited.
What is absolutely a fact, there are no high functioning polygamous societies anywhere.
…read more at……..http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3782180/