What day do you stop working for the government and start working for yourself?
Tax freedom day is theoretical because it assumes we've been working 7 days a week since the start of the year, and that we don't spend anything we make. The 120 days from Jan. 1 through April 30 represents the time it will take the nation as a whole to earn enough to pay off all of the taxes that will be levied against us this year.
Tax freedom day may not literally provide Americans with any relief. But as a point of comparison it is a way to measure changes in the total tax burden of the nation from one year to the next.
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