Richard Fry is a senior researcher at Pew Research Center. He is an expert on school and college enrollment in the United States, as well as the returns to education in the labor market and marriage market, and its connection to household economic well-being such as net worth.
They're set to overtake the current biggest - the Baby Boomers - but voter turnout among younger people remains lower than for older people.
By next year, there will be 73 million Millennials in the US.
It’s becoming more common for young adults in the US to live at home – and for longer stretches.