Oklahoma has a graduated state individual income tax with three brackets and rates ranging from 0.50 percent to 4.50 percent. Oklahoma has a flat 4.00 percent corporate income tax rate, 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 0.79 percent effective property tax rate on owner-occupied housing value. Oklahoma does not have an estate tax or inheritance tax. Oklahoma’s gas tax is 20 cents per gallon, and its cigarette excise tax is $2.03 per pack of 20 cigarettes.
Oklahoma raises tax revenue primarily through general sales taxes (31.3 percent of total state and local tax revenue), other taxes (24.2 percent), and individual income taxes (20.4 percent). Oklahoma collects $5,312 in state and local tax collections per capita, carries $5,340 in state and local debt per capita, and has a 90 percent funded ratio of public pension plans. Oklahoma’s tax system ranks 15th overall on the 2027 State Tax Competitiveness Index.
Each state’s tax code is a multifaceted system with many moving parts, and Oklahoma is no exception. Use the tabs below to compare Oklahoma taxes with other states and to see how Oklahoma raises tax revenue. You can also browse our tax maps, which are compiled from our annual publication, Facts & Figures 2026: 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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Individual income taxes are a major source of state government revenue, accounting for more than a third of state tax collections. How do income taxes compare in your state?
9 min read
Retail sales taxes are an essential part of most states’ revenue toolkits, responsible for nearly a quarter of combined state and local tax collections.
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Forty-four states levy a corporate income tax, with top rates ranging from a 2 percent flat rate in North Carolina to an 11.5 percent top marginal rate in New Jersey. Four states—Georgia, Nebraska, North Carolina, and Pennsylvania—reduced their corporate income tax rates effective January 1, 2026.
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Property taxes are the primary tool for financing local governments. While no taxpayers in high-tax jurisdictions will be celebrating their yearly payments, property taxes are largely rooted in the benefit principle of taxation: the people paying the property tax bills are most often the ones benefiting from the services.
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Taxes are an important part of the mix, and modernizing a state’s tax structure helps position it for growth. States that rank better on the Index have better-structured tax codes, and states with better-structured tax codes get Wins Above Replacement.
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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.
121 min read
In red and blue states alike, voters showed wariness toward novel changes to the tax code, with two notable exceptions.
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This November, states across the country are asking voters to consider changes to their state constitutions to address the burden of rising property taxes.
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Cigarette smuggling is costly for states. We estimate that the forgone revenue from smuggled cigarettes totaled more than $4.6 billion in 2024. California lost nearly $1.4 billion in cigarette excise tax collections, and New York missed out on more than $1.2 billion.
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Imposing sales taxes on rental car companies’ fleet purchases, in addition to the sales and rental car excise taxes levied when those cars are rented, yields double taxation and causes harmful tax pyramiding.
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In addition to the federal estate tax, which has a top marginal rate of 40 percent, 12 states and the District of Columbia impose estate taxes, while five states levy inheritance taxes.
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Corporations in the United States pay federal corporate income taxes levied at a 21 percent rate. Forty-four states and DC also levy taxes on corporate income, with top marginal rates ranging from 2.5 percent in North Carolina to 11.5 percent in New Jersey.
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High property taxes levied not only on land but also on buildings and structures can discourage investment in infrastructure, which businesses would have to pay additional tax on.
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Applying the sales tax, a traditional broad-based consumption tax, is perfectly appropriate, but excessive targeted taxation of wireless services lacks the traditional justifications—a user-pays system or the internalization of social costs—for excise taxation, raising consumer costs and discouraging investment.
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