What growing life expectancy gaps mean for the promise of Social Security,” Barry P. Bosworth, Gary Burtless and Kan Zhang, Brookings Institution

Elderly see improvement—not a drop—in their living standards,” Gary Burtless, Brookings Institution, originally in Real Clear Markets

Brookings Institution Economics Studies Program

The Development of Social Security in America,” Larry DeWitt, Social Security Bulletin, U.S. Social Security Administration

Pew Research Center, research and analysis on retirement savings