(CNN)Here's some background information about the annual income tax filing deadline in the United States. April 15, 2020, is the deadline to file 2019 income tax returns.
The IRS's fiscal year runs from October 1 to September 30.
The IRS amassed almost $3.5 trillion in gross tax collections and issued 122,209,230 refunds, totaling about $464 billion.
Total Number of Returns: 152,937,949
Gross Amount Collected: $1,933,485,246,000
(Source: Center on Budget and Policy Priorities, FY 2017)
Medicare, Medicaid, CHIP, marketplace subsidies 26%
Social Security 24%
National Defense 15%
Safety net programs 9%
Benefits for veterans & federal retirees 8%
Interest on debt 7%
Transportation infrastructure 2%
Science and medical research 2%
Non-security international 1%
All other 4%
1862 - During the Civil War, the IRS is born when President Abraham Lincoln and Congress create the Commissioner of Internal Revenue and enact an income tax to pay war expenses. The first income tax levies 3% on incomes between $600 and $10,000 and 5% on anything over $10,000. This income tax lasts until 1872.