Count these income types:
Alimony from divorces and separations finalized before January 1, 2019
Capital gains
Excluded (untaxed) foreign income
Federal taxable wages (from your job)
Investment income
Rental and royalty income
Retirement or pension income
Self-employment income
Social Security
Social Security Disability Income (SSDI)
Tips
Unemployment compensation
Don't count these income types:
Alimony for divorces and separations finalized on or after January 1, 2019
Child support
Child Tax Credit checks or deposits (from the IRS)
Gifts
Proceeds from loans (like student loans, home equity loans, or bank loans)
Supplemental Security Income (SSI)
Veterans' disability payments
Worker's compensation
For more details please refer to: https://www.healthcare.gov/income-and-household-information/income/