How does Oklahoma’s tax code compare? Oklahoma has a graduated state individual income tax, with rates ranging from 0.25 percent to 4.75 percent. Oklahoma has a 4.0 percent corporate income tax rate. Oklahoma also has a 4.50 percent state sales tax rate and an average combined state and local sales tax rate of 8.99 percent. Oklahoma has a 0.76 percent effective property tax rate on owner-occupied housing value.
Oklahoma does not have an estate tax or inheritance tax. Oklahoma has a 20 cents per gallon gas tax rate and a $2.03 cigarette excise tax rate. The State of Oklahoma collects $4,450 in state and local tax collections per capita. Oklahoma has $4,804 in state and local debt per capita and has an 80 percent funded ratio of public pension plans. Oklahoma’s tax system ranks 21st overall on the 2025 State Tax Competitiveness Index.
Each state’s tax code is a multifaceted system with many moving parts, and Oklahoma is no exception. The first step towards understanding Oklahoma’s tax code is knowing the basics. How does Oklahoma collect tax revenue? Click the tabs below to learn more! You can also explore our state tax maps, which are compiled from our annual publication, Facts & Figures 2024: How Does Your State Compare?
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The State Tax Competitiveness Index enables policymakers, taxpayers, and business leaders to gauge how their states’ tax systems compare. While there are many ways to show how much state governments collect in taxes, the Index evaluates how well states structure their tax systems and provides a road map for improvement.
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Facts & Figures serves as a one-stop state tax data resource that compares all 50 states on over 40 measures of tax rates, collections, burdens, and more.
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Graduated corporate rates are inequitable—that is, the size of a corporation bears no necessary relation to the income levels of the owners.
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Our new study identifies a number of deficiencies in Oklahoma’s tax code and outlines possible solutions for reform that would create a more neutral tax code and encourage long-term growth in the state.
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