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The Senior Citizens League (TSCL) has predicted that Social Security's 2026 Cost-of-Living Adjustment (COLA) will be 2.5 percent, up from April's prediction of 2.4 percent. While May's prediction is slightly up from March's 2.

Social Security's 2026 cost-of-living adjustment may be 2.5%, a new estimate shows. That could change if tariffs push up inflation.