JUDY WOODRUFF:

This year, millennials, the group roughly 18 to 34 years old, will overtake baby boomers as the largest living generation in the country. And even at the dawn of their careers, it turns out they are more worried about retirement than previous generations. And perhaps they should be.

Here to help fill in the picture, Jen Mishory. She is executive director of Young Invincibles. It's a research and advocacy group for young adults. And David John, he's a senior policy adviser with AARP. He also works on retirement issues at the Brookings Institution.

And we welcome both of you to the NewsHour.