Institute on Taxation and Economic Policy (ITEP)

Montana

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State Rundown 10/22: Despite Obstacles, Progressive Taxes Define 2026

• By ITEP Staff

As more states move to raise revenue and tax the rich, anti-tax lobbyists and lawmakers are hard at work to undo that progress. Despite pushback, important conversations around needed revenue continue.

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State Rundown 7/29: The Misguided, Miserly Missouri Amendment to Eliminate the Income Tax

• By ITEP Staff

Missouri voters are facing a major decision at the ballot box next week on Amendment 5, which would amend the state constitution to allow lawmakers to eliminate the individual income tax and expand the state’s sales tax on any good or service to make up for lost revenue.

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State-by-State Tax Expenditure Reports

• By ITEP Staff

Below is a list of tax expenditure reports published in the states.

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2026 Sessions in Review: States Move to Tax the Rich and Corporations

• By Aidan Davis

This year several states raised income tax rates on high-income people to fund crucial services and make progress toward remedying the regressive tilt of their tax codes.

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State Rundown 6/11: Taxing the Rich Heats Up

• By ITEP Staff

As we head into summer, many state legislatures are in the final stretches of their sessions. Rhode Island moved another step closer to joining the ranks of Washington, Maine, and Hawai’i in enacting a new high-income surcharge this year.

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NYC and Montana Lead the Way on Second-Home Taxes

• By Rita Jefferson

Second home taxes make a lot of sense for communities struggling with housing costs for full-time residents. They can raise real revenues too, which can be used to support further affordable housing development.

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As Inequality Grows, More States Look to Tax the Rich

• By Alex Welch

From surcharges on the income of high-earners to higher taxes on second homes, here are recent steps states have taken to tax the rich.

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State Rundown 4/23: While Some States Stop Digging, Others Move Full Steam Ahead with Anti-Affordability Agendas

• By ITEP Staff

Missouri lawmakers passed legislation that will have residents vote on a proposal at the ballot box. The ask: for them to pay more in sales taxes to offset cuts – and the possible elimination – of the state's individual income tax, which makes up nearly two-thirds of Missouri’s general fund.

State Tax Watch 2026

• By ITEP Staff

ITEP tracks tax discussions in legislatures across the country and uses our unique data capacity to analyze the revenue, distributional, and racial and ethnic impacts of many of these proposals. State Tax Watch offers the latest news and movement from each state.

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State Rundown 3/26: Sobering Revenue Projections Keep States on Their Toes

• By ITEP Staff

This week, troubling revenue projections are making headlines, with many lawmakers scrambling to determine how the tax changes at the federal level, plus price hikes driven by national policy decisions, will impact their states.

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What Did 2025 State Tax Changes Mean for Racial and Economic Equity?

• By Brakeyshia Samms

The results are a mixed bag, with some states enacting promising policies that will improve tax equity and others going in the opposite direction.

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State Rundown 1/28: State Tax Cutting Plans Face Scrutiny

• By ITEP Staff

As state legislative sessions ramp up across the country, property taxes are one of many issues dominating tax policy conversations in statehouses.

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States Can Push Back Against Reckless Federal Tax Policy. Here’s How.

• By Aidan Davis, Wesley Tharpe

They should take steps to protect and boost their own revenues. And they should take a second look at their own tax cuts.

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Local Governments Are Increasingly Strapped: 2026 Will Bring New Challenges and New Opportunities

• By Kamolika Das

2025 saw an intensification of state and local tax fights across the country, as well as growing experimentation with local-option taxes, levies, fees, and tourism taxes aimed at keeping budgets afloat while also navigating political constraints imposed by state legislatures.

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Linking to Tipped and Overtime Income Deductions Would Worsen State Shortfalls, Do Little to Help Workers

• By Neva Butkus, Galen Hendricks

State deductions for tips and overtime are not only ineffective at supporting working-class people, it will come at a substantial cost to state budgets.

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State and Local Policymakers Can Resist Austerity Even Amid Historic Federal Retreat

• By Kamolika Das

The progressivity of the federal tax code has been waning. State and local policymakers should respond by protecting their revenue bases, promoting equity, and safeguarding vulnerable communities from harmful budget cuts. 

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The Wealth Proceeds Tax: A Simple Way for States to Tax the Wealthy

• By Sarah Austin, Carl Davis

Taxing the proceeds generated by wealth through a new Wealth Proceeds Tax is a simple way for states to raise billions in new revenue and improve the fairness of their tax systems.

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The 5 Biggest State Tax Cuts for Millionaires this Year

• By Dylan Grundman O'Neill, Aidan Davis

Some states continue to hand out huge tax cuts to millionaires. The five largest tax cuts this year will cost states a total of $2.2 billion per year once fully implemented.

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State Earned Income Tax Credits Support Families and Workers in 2025

• By Neva Butkus

Nearly two-thirds of states now have an Earned Income Tax Credit (EITC). Momentum continues to build on these credits that boost low-paid workers’ incomes and offset some of the taxes they pay, helping lower-income families achieve greater economic security.

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State Rundown 9/4: Colorado Tackles Offshore Corporate Tax Avoidance, Paves Way for State Conformity Best Practices

• By ITEP Staff

Despite an increasingly bleak state revenue outlook, state lawmakers across the country continue to prioritize regressive tax cuts.

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State Tax Action in 2025: Amid Uncertainty, Tax Cuts and New Revenue

• By Aidan Davis, Neva Butkus, Marco Guzman

Federal policy choices on tariffs, taxes, and spending cuts will be deeply felt by all states, which will have less money available to fund key priorities. This year some states raised revenue to ensure that their coffers were well-funded, some proceeded with warranted caution, and many others passed large regressive tax cuts that pile on to the massive tax cuts the wealthiest just received under the federal megabill.

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Which States Expanded Refundable Credits in 2025?

• By Neva Butkus

Refundable tax credits were a big part of state tax policy conversations this year. In 2025, nine states improved or created Child Tax Credits or Earned Income Tax Credits.

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State Rundown 7/24: States Begin Preparing for Federal Megabill Fallout

• By ITEP Staff

All eyes in statehouses in recent weeks have been on federal budget negotiations, and now that the “megabill” has passed, they are focused in on their own budgets in search of ways to cope with the enormous consequences coming their way. All states will see fewer federal dollars flowing through their coffers, higher needs due […]

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How Much Would Every Family in Every State Get if the Megabill’s Tax Cuts Given to the Rich Had Instead Been Evenly Divided?

• By Michael Ettlinger

If instead of giving $117 billion to the richest 1 percent, that money had been evenly divided among all Americans, we'd each get $343 - or nearly $1,400 for a family of four.

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Analysis of Tax Provisions in the Trump Megabill as Signed into Law: National and State Level Estimates

• By Steve Wamhoff, Carl Davis, Joe Hughes, Jessica Vela

President Trump has signed into law the tax and spending “megabill” that largely favors the richest taxpayers and provides working-class Americans with relatively small tax cuts that will in many cases be more than offset by Trump's tariffs.