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

itoggle caption James Clark/NPR

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

itoggle caption © Eugenio Marongiu/iStockphoto

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

itoggle caption Getty Images

Rapper Lil Jon appears in a new ad for Rock the Vote's 2014 campaign. The organization was founded to get Generation X engaged in politics, and is adapting its tactics to reach millennials. Courtesy of Rock the Vote hide caption

itoggle caption Courtesy of Rock the Vote

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

itoggle caption Asma Khalid/WBUR