Unsure about their savings, more Americans are erring on the side of caution and rolling back their prospective retirement dates, a new survey shows, The Wall Street Journal reports.

"Rethinking Retirement," a survey done by Gallup for Munich-based UBS AG, shows that 57% of workers would wait until after they turned 62 to retire. Two years ago, when the same survey was given, just 47% said they would wait that long. And in 1998, the first time people were polled, just 36% said that 62 or older would be their retirement age.

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