And my 2019 income was more than 2021. Also according to the IRS website :
Claim the EITC Without a Qualifying Child
You are eligible to claim the EITC without a qualifying child if you meet all the following rules. You (and your spouse if you file a joint tax return) must:
Meet the EITC basic qualifying rules
Have your main home in the United States for more than half the tax year
The United States includes the 50 states, the District of Columbia and U.S. military bases. It does not include U.S. possessions such as Guam, the Virgin Islands or Puerto Rico
Not be claimed as a qualifying child on anyone else's tax return
Be at least age 18 at the end of the tax year (usually Dec. 31)
The minimum age to claim the EIC is generally age 19
