The median debt-to-income ratio has risen dramatically in recent years for adults close to retirement age, and more women close to retirement plan to keep working longer, according to research by Annamaria Lusardi of the George Washington University, Wharton Prof. Olivia S. Mitchell, and Noemi Oggero of the University of Turin, cited in PRB. See Lusardi, Mitchell, and Oggero, “Debt and Financial Vulnerability on the Verge of Retirement” via NBER.