Social Security relies on payroll taxes for the money it pays out in benefits. But some lawmakers want to pay more in Social Security benefits, and they're looking at eliminating the current $117,000 wage limit on Social Security taxes in order to boost revenue for the program. That has led to controversy between proponents and opponents of the measure.

In the following video, Dan Caplinger, The Motley Fool's director of investment planning, looks at both sides of the Social Security wage cap controversy. On one hand, taking away the wage cap makes Social Security taxes less regressive, requiring high-income earners to pay the same percentage of their total income as everyone else. But currently, those who earn more than the wage cap also don't get additional benefits, with the benefit calculation also maxing out at the wage-cap limit. Dan concludes that the issue will continue to be contentious, but it could have ramifications not just for high-income earners but for millions of Social Security recipients as well.

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