management.fortune.cnn.com, "Women leaders in business: Why is the U.S. a laggard?", March 22, 2013
The country with the most women in high places? China. Over half of corporate leaders in China are women. Estonia (40%), Vietnam (33%), and Botswana (32%) rank in the top 10.
...In a 2012 paper called "Cultural constraints on the emergence of women as leaders," (PDF download) authors Geoffrey Leonardelli and Soo Min Toh, both associate professors at the University of Toronto, explore the effects of cultural rigidity related to female leadership. So-called '"tight" cultures punish members of the group from deviating from cultural norms. In general, culturally inflexible countries do not support women leaders.