Filing Requirements for Dependents
You must file a 2018 tax return in any of the following circumstances if you're single, if someone else can claim you as a dependent, and if you're not age 65 or older or blind:
- Your unearned income was more than $1,050.
- Your earned income was more than $12,000.
- Your gross income was more than $1,050 or $350 plus your earned income, whichever is greater.