I'm not agreeing or disagreeing with how the Tax Foundation operates but their source of data is directly from the IRS website: https://taxfoundation.org/wp-co

I'm not agreeing or disagreeing with how the Tax Foundation operates but their source of data is directly from the IRS website: https://taxfoundation.org/wp-content/uploads/2024/03/FedData_2.png https://taxfoundation.org/wp-content/uploads/2024/03/FedData... (see the footnote)