2024 Social Security Increase Prediction.  — a 3 percent adjustment would boost the average social security retirement benefit — $1,839 a month in july 2023 — by about $55 a month in 2024. That's down from this year's 3.2%.

 — social security benefits are projected to increase 2.6% in 2025. If social security increases the cola by 3.2% next year, the average monthly retiree check would increase to $1,790, or.