Automatic Tax Filing: Simulating a Pre-Populated Form 1040
Each year Americans spend over 1.7 billion hours and $33 billion preparing individual tax returns, and these filing costs are regressive. To lower and redistribute the filing burden, researchers and policymakers have proposed having the IRS prepopulate tax returns for individuals. We evaluate this hypothetical policy using a large, nationally representative sample of returns filed for tax year 2019. Our baseline results indicate that between 66 and 75 million returns (42 to 48 percent of all returns) could be accurately pre-populated using only current-year information returns and the prior-year return. Accuracy rates decline with income and are higher for taxpayers who have fewer dependents or are unmarried. We also examine 2019 non-filers, finding that pre-populated returns tentatively indicate $8.2 billion in refunds due to 11 million (20 percent) of them.
Non-Technical Summaries
- Americans spend an average of $200 and 12.5 hours per year filing individual income tax returns. More than 40 percent of filers,...
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