Institute on Taxation and Economic Policy (ITEP)

South Carolina

State Tax Watch 2025

January 28, 2025 • By ITEP Staff

State Tax Watch 2025

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.

State Rundown 1/9: New Year, New Pushes for Tax Policy Changes

It’s a new year, and state legislatures across the country are resolved to write new tax policy. Tax debates are heating up nearly everywhere in the early days of 2025, but states’ fiscal situations vary dramatically. New York is considering expanding the state’s Child Tax Credit following Gov. Hochul’s proposed expansion. On the other side […]

Trump’s Plan to Extend His 2017 Tax Provisions: Updated National and State-by-State Estimates

Trump’s plan to make most of the temporary provisions of his 2017 tax law permanent would disproportionately benefit the richest Americans. This includes all major provisions except the $10,000 cap on deductions for state and local taxes (SALT) paid.

State Rundown 11/20: Some Budgets and Tax Proposals Fail to Defy Gravity, Fall Short

This week, there are high-profile budget and tax debates at both the state and local levels. The Louisiana legislature continues to debate Gov. Jeff Landry’s deeply regressive tax package in a special session focused on replacing corporate and personal income tax revenue with additional sales taxes, but some efforts to find offsets for the cuts […]

Extending Temporary Provisions of the 2017 Trump Tax Law: Updated National and State-by-State Estimates

The TCJA Permanency Act would make permanent the provisions of the Tax Cuts and Jobs Act of 2017 that are set to expire at the end of 2025. The legislation would disproportionately benefit the richest Americans. Below are graphics for each state that show the effects of making TCJA permanent across income groups. See ITEP’s […]

State Earned Income Tax Credits Support Families and Workers in 2024

Nearly two-thirds of states (31 plus the District of Columbia and Puerto Rico) have an Earned Income Tax Credit. These credits 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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Tax Payments by Undocumented Immigrants

July 30, 2024 • By ITEP Staff

Tax Payments by Undocumented Immigrants

Undocumented immigrants paid $96.7 billion in federal, state, and local taxes in 2022. Providing access to work authorization for undocumented immigrants would increase their tax contributions both because their wages would rise and because their rates of tax compliance would increase.

Five Tax Takeaways from 2024 State Legislative Sessions 

Major tax cuts were largely rejected this year, but states continue to chip away at income taxes. And while property tax cuts were a hot topic across the country, many states failed to deliver effective solutions to affordability issues.

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Improving Refundable Tax Credits by Making Them Immigrant-Inclusive

July 17, 2024 • By Emma Sifre, Marco Guzman

Improving Refundable Tax Credits by Making Them Immigrant-Inclusive

Undocumented immigrants who work and pay taxes but don't have a valid Social Security number for either themselves or their children are excluded from federal EITC and CTC benefits. Fortunately, several states have stepped in to ensure undocumented immigrants are not left behind by the gaps in the federal EITC and CTC. State lawmakers should continue to ensure that immigrants who are otherwise eligible for these tax credits receive them.

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State Rundown 7/11: Mansion Taxes in the Spotlight

July 11, 2024 • By ITEP Staff

State Rundown 7/11: Mansion Taxes in the Spotlight

While Massachusetts legislators recently dropped a real estate transfer tax from their major housing bill, the District of Columbia council sent a budget to the mayor that includes a mansion tax that would increase the tax rate on properties valued over $2.5 million. Meanwhile, lawmakers in New Jersey and South Carolina continue to, respectively, raise and reduce needed revenues.

Tax the Wealthy and Reject Austerity for a More Just and Thriving Democracy

Two of the last five presidents won office over the objection of the majority of the people; California, with 65 times more people, has the same voting power in the U.S Senate as Wyoming; and the U.S. Supreme Court just permitted South Carolina lawmakers to dilute Black votes in drawing districts. These obvious flaws undermine our claim to be a strong democracy. One less appreciated but similarly undemocratic trend is our extreme inequality that supercharges the power and wealth of corporations and the uber-rich, weakens what the public sector can deliver, and often feeds on itself.

States Should Enact, Expand Mansion Taxes to Advance Fairness and Shared Prosperity

The report was produced in partnership with the Center on Budget and Policy Priorities and co-authored by CBPP’s Deputy Director of State Policy Research Samantha Waxman.[1] Click here to use our State Mansion Tax Estimator A historically large share of the nation’s wealth is concentrated in the hands of a few, a reality glaring in […]

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State Rundown 5/9: Special Sessions in the Air

May 9, 2024 • By ITEP Staff

State Rundown 5/9: Special Sessions in the Air

This week, special sessions with major tax implications are in the air...

State Rundown 5/2: Vetoes and New Major Tax Proposals

This week, many states took steps toward enacting tax cuts...

State Rundown 2/1: Black History Month Begins as Tax Debates Heat Up Nationwide

This week the showdown between the Kansas legislature and governor continued as Gov. Kelly vetoed the legislature’s latest attempt to pass a flat personal income tax. Elsewhere, the focus is on doing more for working families through proposals to expand refundable credits in Maryland and adding a millionaire tax bracket in Rhode Island. Meanwhile, there’s […]

State Tax Watch 2024

January 23, 2024 • By ITEP Staff

State Tax Watch 2024

Updated July 15, 2024 In 2024, state lawmakers have a choice: advance tax policy that improves equity and helps communities thrive, or push tax policies that disproportionately benefit the wealthy, drain funding for critical public services, and make it harder for low-income and working families to get ahead. Despite worsening state fiscal conditions, we expect […]

South Carolina: Who Pays? 7th Edition

January 9, 2024 • By ITEP Staff

South Carolina: Who Pays? 7th Edition

South Carolina Download PDF All figures and charts show 2024 tax law in South Carolina, presented at 2023 income levels. Senior taxpayers are excluded for reasons detailed in the methodology. Our analysis includes nearly all (99.8 percent) state and local tax revenue collected in South Carolina. These figures depict South Carolina’s top income tax rate […]

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Abortion-Restricting States Skimp on Funding for Children

November 9, 2023 • By Amy Hanauer

Abortion-Restricting States Skimp on Funding for Children

States differ dramatically in how much they allow families to make choices about whether and when to have children and how much support they provide when families do. But there is a clear pattern: the states that compel childbirth spend less to help children once they are born.

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Boosting Incomes, Improving Equity: State Earned Income Tax Credits in 2023

September 12, 2023 • By Aidan Davis, Neva Butkus

Boosting Incomes, Improving Equity: State Earned Income Tax Credits in 2023

Nearly two-thirds of states (31 plus the District of Columbia and Puerto Rico) have an Earned Income Tax Credit, an effective tool that boosts low-paid workers’ incomes and helps lower-income families achieve greater economic security. This year, 12 states expanded and improved EITCs.

Sales tax holidays are bad policies that have too often been used as a substitute for more meaningful, permanent reform.

Read as PDF Re: Recommendation for Inclusion of Section 1001 Regulation in 2023-2024 Priority Guidance Plan To Whom It May Concern, We are writing to respectfully urge that the IRS return to the work it left unfinished in 2019 when it issued final regulations on “Contributions in Exchange for State or Local Tax Credits” (RIN: […]

Many state legislatures this year have been considering property tax cuts – but too many are ignoring the solution that speaks more directly to questions of property tax affordability than any other policy option: the “circuit breaker."

Preventing an Overload: How Property Tax Circuit Breakers Promote Housing Affordability

Circuit breaker credits are the most effective tool available to promote property tax affordability. These policies prevent a property tax “overload” by crediting back property taxes that go beyond a certain share of income. Circuit breakers intervene to ensure that property taxes do not swallow up an unreasonable portion of qualifying households’ budgets.

Extending Temporary Provisions of the 2017 Trump Tax Law: National and State-by-State Estimates

The push by Congressional Republicans to make the provisions of the 2017 Tax Cuts and Jobs Act permanent would cost nearly $300 billion in the first year and deliver the bulk of the tax benefits to the wealthiest Americans.

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State Rundown 4/6: More SALT, Please

April 6, 2023 • By ITEP Staff

State Rundown 4/6: More SALT, Please

This week, a bill out of Arkansas that would cut the top personal income tax rate and the corporate income tax rate found its way to the governor’s desk...