you didn't state your age or provide other information so here are the rules.
Your parents could claim you as a qualifying child if all these tests are met
- You have the same principal abode as them for more than ½ the tax year. Temporary absences like for school are ignored
- If not a full-time student, you’re under 19 at the end of the tax year. If you're a full-time student you're under 24 at end of the tax year.
- you haven't provided over ½ your own support
- you didn't file a joint return unless there was no tax liability but merely filing jointly to facilitate refund of taxes withheld or estimates paid
if all the above tests are not met they could still claim you as a qualifying relative if all these tests are met
- your parents provided over ½ your support
- your gross income for 2020 was less than $4,300
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if you are neither a qualifying child nor a qualifying relative you should file your return and not check that someone can claim you as a dependent. eventually, both you and your parents will get a letter from the IRS asking for an amended return as to claiming dependency. if you are properly claiming yourself you should not respond. then the IRS will send a second letter asking for proof. to this, you must respond in a timely manner providing proof. you get to claim yourself and your parents will get a bill for taxes, penalties and interest. if you qualify to claim yourself, you might want to warn your parents of what you are doing and that they are likely to get a tax bill
