In fact, the maximum possible Social Security benefit you can get in 2026 is $5,181. Social Security's wage cap represents the maximum amount of earnings that are taxed to fund the program in a given year. The reason you may not get Social Security's maximum monthly benefit is that you have to maintain a very high salary for 3.5 decades to qualify. What to do insteadIt's important to recognize that most retirees don't get Social Security's highest possible benefit. Getting Social Security's maximum monthly benefit may sound nice.