2024 Cost Of Living Increase Established. Starting in january, the estimated average monthly retirement benefit will increase by 3.2%, or $59 a month, for 2024 — from $1,848 to $1,907. According to the social security administration, the 2024 cola will increase the average monthly ssdi benefit for a disabled worker by $48, from $1,489 to $1,537,.

How much is the increase: That would add about $57 to.