Did you happen to know that not everyone is required to file a federal income tax statement?
The IRS does not require you to pay income tax, or file taxes, unless you make over $19,400 (as of 2022)
https://www.irs.gov/publications/p501
It's really difficult to tell what percentage of people that applies to, but just for one example I got from Google, The Tax Policy Center estimates that 70 Million Americans do not need to pay income tax.
https://www.taxpolicycenter.org/taxvox/tpc-number-those-who-...