With dwindling retirement savings, older Americans are back on the job market

Getty Images; Jenny Chang-Rodriguez/BI

• More than 2,000 older Americans and counting shared their financial regrets with BI.
• Many said they had made mistakes that led them to return to work after retirement.
• This is part of an ongoing series about older Americans' regrets.

After retiring less than a year ago, Sylvia, 64, is back at work.

The under $2,000 a month she receives in Social Security isn't enough to pay her bills, and she has little retirement savings...