Nightly News | November 17, 2011
BRIAN WILLIAMS, anchor: We continue to learn so much about ourselves from the new census. The latest stats tell us a few things. First of all, we're older. Census Bureau reports the number of Americans age 90 and older nearly tripled in the last three decades. We're also fewer. The birth rate has been dropping steadily since it peaked in '07. The decline has been linked to the economy. But the one group having more children, the birth rate among women over 40 is up to its highest level since 1967 . And we're also getting bigger. According to some new stats on weight and health, if Americans stay on the current path, 83 percent of men, 72 percent of women will be overweight or obese by the year 2020 . So there's that.