The term “substantial gainful activity” (SGA) describes a level of work activity and earnings. Work is “substantial” if it involves significant physical or mental activities or a combination of both. “Gainful” employment is work performed for pay or profit. Each year, the amount of SGA changes. For 2023, the SGA amount for statutorily blind individuals is $2460. For non-blind individuals, the monthly SGA amount for 2023 is $1470.