With Baby Boomers hitting retirement age, it's the largest number of Americans over 65 working ever.

Surveys indicate a growing number of people plan to continue working past retirement. The number of Americans who said they intend to continue working "as long as possible" came in at 27%. A full 12% said they don't plan to retire at all.

There are a number of factors keeping older Americans in the workforce. They are living longer and maintaining their health, giving them the option to continue working if they want to. Some say they simply like their jobs.  And a number of people surveyed said retirement just isn't that much fun.