More than 65 percent of first marriages today are between couples already living together. For millennials, cohabitation is almost a rite of passage. Oliver Hoffmann/iStock hide caption

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We asked you to send in your embarrassing instant messenger handles from days gone by. Thanks for sharing, Blondsoccerplyr, AgentGiggleChunk and absofsteel3616! iStockphoto hide caption

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The phone company Vonage reported a drop in voice mail retrievals over the past year. Many of those ignoring voice mails are millennials. iStockphoto hide caption

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Phillip Underwood and Michelle Sheridan and their children, Logan and Lilliana, gather in their living room in Frederick, Md., after a long day of work and school. The couple had delayed marriage, in part for financial reasons. James Clark/NPR hide caption

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Millennials are often painted as the entitled, selfie-snapping generation. But many researchers say that "me" time will help young people make better decisions in the long run. © Eugenio Marongiu/iStockphoto hide caption

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Millennials seem to prioritize the environment, but may want to dissociate from the "treehugger" baggage of the term "environmentalist." Getty Images hide caption

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Fabianie Andre with her 3-year-old daughter, Leilah, at their home in suburban Boston. Andre is one of many millennials who lack a college education. Asma Khalid/WBUR hide caption

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Selena Simmons-Duffin, NPR Producer, 28, Washington, D.C. Standard Census: #white. #nprcensus: #halfjewish #gaymarried #creative Selena Simmons-Duffin/NPR hide caption

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Mormon missionaries walk through the halls at the Missionary Training Center in Provo, Utah, in January 2013. A new survey by Carnegie Mellon University shows that more millennials report they "talk to God" than turn to religion for guidance. Rick Bowmer/AP hide caption

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President Obama speaks at a town hall meeting at Binghamton University in Vestal, N.Y., in August. Mike Groll/AP hide caption

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