Each month, Social Security pays out benefits to tens of millions of Americans, the vast majority of whom are retirees. While Social Security is a critical program that provides a key source of income, it's rarely a retiree's sole source of income. Here are three ways to supplement your Social Security income before 2026 ends. Dividend stocks can help your money keep pace with inflation and also put some money in your pocket each year. Get a part-time jobA part-time job is also another way to supplement your Social Security income.