Twenty Years of Legal Marriage for Same-Sex Couples in the United States: Evidence Review and New Analyses

It has been 20 years since the first marriage licenses were issued to same-sex couples in Massachusetts, and there has been ample time for researchers to study the consequences of legalizing marriage for same-sex couples on lesbian, gay, bisexual, and transgender individuals; their children; and the general population. The authors of this report document those consequences, drawing on an evidence review and new analyses that they conducted.