Forget Benefit Cuts: Here's an Even Bigger Problem With Social Security
If you're worried about Social Security cuts, well, there's unfortunately a good reason to be. Social Security is facing a serious financial shortfall in the coming years as older workers retire in short order.
See, the program's main source of revenue is payroll taxes. But if there are fewer members of the labor force because of a mass retirement, then Social Security will see its revenue shrink.
Source Fool.com