Capping Social Security cost-of-living adjustments for the highest earners would save the program $115 billion over a decade, according to the Committee for a Responsible Federal Budget. Investopedia / Photo Composite by Elizabeth Guevara / Getty Images Close KEY TAKEAWAYS One idea to resolve the Social Security funding gap would affect the highest earners by capping the annual increase in benefits received. The Social Security program is expected to deplete its main trust fund in approximately eight years. ...