If you never got unemployment in 2020 there will be no tax on it. If there was an amount that was taxable you would have received a form 1099-G.
However, if you qualified for unemployment you must have worked somewhere. You would not be required to file a return if you’re single and earned $12,400 or less in 2020 because the $12,400 deduction would reduce your taxable income to $0.
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