Social Security 2025 Benefits Letter. Social security benefits and supplemental security income (ssi) payments for more than 72.5 million americans will increase 2.5 percent in 2025, the social security. The benefit verification letter, sometimes called a budget letter, a benefits letter, a proof of income letter, or a proof of award letter, serves as proof of your retirement, disability, supplemental security income (ssi), or medicare.

Supplemental security income provides monthly payments to adults and children who have income below specific financial limits and qualify to receive social security benefits. In 2025, retirement benefits will increase by about $50 per month, on average, according to the social security administration.