Even though the distribution represents your 2022 RMD, it’s includible in gross income in 2023, the year in which it is received. What’s more, the 2023 distribution must be taken by December 31, 2023, so there will be two distributions taxed in the same year.
Gross income less allowable adjustments, such as IRA, alimony, and Keogh deductions. AGI determines whether various tax benefits are phased out, such as personal exemptions, itemized deductions, and the rental loss allowance and modified adjusted gross income (MAGI).