It is the topic everyone is talking about: marriage. The demise of the Defence of Marriage Act (DOMA) in June sent a ripple of excitement around the United States, as discussion heats up over how the new legislation will affect gay marriage. But gays are not the only ones for whom marriage is changing. Gay or straight, people are waiting longer to marry and having more children outside of marriage. These vast changes, summarized in this report, have policymakers buzzing about the hidden costs of delayed marriage, especially for children. Yet, despite all the hype, we have ignored a major question.