The document summarizes research on the global impact of women out-earning men on partnering and marriage patterns. Key points include: - In many countries, women are increasingly achieving higher levels of education and income compared to men. - This "gender flip" is leading to declines in traditional marriage and partnering norms like hypergamy. Women are more willing to marry less educated or lower earning men. - In countries like Japan and South Korea, many highly educated women struggle to find partners of equal status and remain single, contributing to low fertility rates. - Globalization is affecting marriage through trends like "mail order brides" and women migrating for partnering opportunities. - Independent women have more sexual