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Bills from the 2023–24 session

Assembly Bill 1

Establishing a flat individual income tax rate. (FE)

Stopped in committee

It never got a ⁠, so it never came up for a vote. To try again, a lawmaker would have to start a new bill.

  1. Introduced, passed

    Jan 19, 2023

  2. Committee, stopped here

    Stopped here. No public hearing was held.

  3. Assembly vote, not reached

  4. Senate vote, not reached

  5. Governor, not reached

  6. Law, not reached

Latest entry in the official record, Apr 15, 2024: “Failed to pass pursuant to ⁠”

It never got a hearing in the Assembly Committee on Ways and Means. See every bill that never got a hearing this session.

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What it would have done

Summary by the , the Legislature's nonpartisan drafting office. It's their wording, not ours.

Under this bill, beginning in taxable year 2026, all individual taxpayers, regardless of their income, pay the individual income tax at the rate of 3.25 percent.

In addition, for taxable years 2023 through 2025, the bill decreases individual income tax rates each year for each tax bracket.

Read the full summary

Under current law, there are four income tax brackets for single individuals, certain fiduciaries, heads of households, and married persons, and the brackets are indexed for inflation. The rate of taxation under current law for the lowest bracket for single individuals, certain fiduciaries, heads of households, and married persons is 3.54 percent of taxable income. The rate for the second bracket is 4.65 percent.

The rate for the third bracket is 5.3 percent. And the rate for the highest bracket is 7.65 percent. After bracket indexing for taxable year 2022, the four brackets for individuals, certain fiduciaries, and heads of households, to which the above rates apply, are as follows: 1) taxable income from $0 to $12,760; 2) taxable income exceeding $12,760 but not exceeding $25,520; 3) taxable income exceeding $25,520 but not exceeding $280,950; and 4) taxable income exceeding $280,950.

The bill establishes the following rates of taxation for taxable year 2023:

1. For the lowest tax bracket, 3.47 percent.

2. For the second bracket, 4.3 percent.

3. For the third bracket, 4.79 percent.

4. For the highest bracket, 6.55 percent.

The bill establishes the following rates of taxation for taxable year 2024:

1. For the lowest tax bracket, 3.4 percent.

2. For the second bracket, 3.95 percent.

3. For the third bracket, 4.28 percent.

4. For the highest bracket, 5.45 percent.

The bill establishes the following rates of taxation for taxable year 2025:

1. For the lowest tax bracket, 3.32 percent.

2. For the second bracket, 3.6 percent.

3. For the third bracket, 3.76 percent.

4. For the highest bracket, 4.35 percent.

Under the bill, for taxable year 2026 and after, the rate of taxation is 3.25 percent for all taxable income. The bill also requires the Department of Revenue to update, by October 1 before the start of the applicable tax year, the individual income tax withholding tables to reflect the tax rates, brackets, and sliding scale standard deduction that are in effect for taxable years 2024, 2025, and 2026.

Who's behind it

17 representatives are its ⁠. All 17 are Republicans.

13 more lawmakers ⁠.

See all 30 names

Authors (17)

Signed on in support (13)

What it would cost

State agencies filed a . Each opens as a PDF from the Legislature.

What happened

  1. Apr 15, 2024

    The session ended, and the bill died with it.

  2. Apr 20, 2023

    A state agency sent in its estimate of the cost.

  3. Feb 13, 2023

    A state agency sent in its estimate of the cost.

  4. Jan 23, 2023 to Jan 26, 2023

    2 more representatives signed on in support.

  5. Jan 19, 2023

    Sent to the Assembly Committee on Ways and Means.

  6. Jan 19, 2023

    Introduced in the Assembly.

See the official record, word for word
  1. Jan 19, 2023 · Assembly

    Introduced by Representatives Brooks, Knodl, Rettinger, Rozar, Allen, Bodden, Brandtjen, Dittrich, Gundrum, Gustafson, Magnafici, Murphy, Penterman, Spiros, Tusler, Behnke and Schraa; cosponsored by Senators LeMahieu, Ballweg, Bradley, Cabral-Guevara, Feyen, James, Nass, Stroebel, Tomczyk, Hutton and Felzkowski

  2. Jan 19, 2023 · Assembly

    Read first time and referred to Committee on Ways and Means

  3. Jan 23, 2023 · Assembly

    Representative Moses added as a coauthor

  4. Jan 26, 2023 · Assembly

    Representative Donovan added as a coauthor

  5. Feb 13, 2023 · Assembly

    Fiscal estimate received

  6. Apr 20, 2023 · Assembly

    Fiscal estimate received

  7. Apr 15, 2024 · Assembly

    Failed to pass pursuant to Senate Joint Resolution 1

Terms on this page

Committee

A small group of lawmakers that looks at a bill first. Most bills never leave committee.

More in the glossary

Public hearing

A meeting where anyone can speak to a committee about a bill, or send written comments.

More in the glossary

Senate Joint Resolution 1

The session's calendar. Any bill not passed by its last voting day dies.

Official term: Failed to pass pursuant to SJR 1. More in the glossary

Legislative Reference Bureau

The Legislature's nonpartisan office that drafts bills and writes the summary at the top of each one.

Official term: LRB analysis. More in the glossary

Author

A lawmaker who formally puts a bill forward. The text itself is drafted by the Legislative Reference Bureau.

Official term: Author, coauthor. More in the glossary

Signed on in support

Lawmakers who back a bill without being one of its authors, often from the other chamber.

Official term: Cosponsor. More in the glossary

Cost estimate

A state agency's estimate of what a bill would cost or save.

Official term: Fiscal estimate. More in the glossary

From the Wisconsin Legislature's official record, checked Sep 15, 2026. See the source

Committee

A small group of lawmakers that looks at a bill first. Most bills never leave committee.

Public hearing

A meeting where anyone can speak to a committee about a bill, or send written comments.

Senate Joint Resolution 1

The session's calendar. Any bill not passed by its last voting day dies.

Official term: Failed to pass pursuant to SJR 1

Legislative Reference Bureau

The Legislature's nonpartisan office that drafts bills and writes the summary at the top of each one.

Official term: LRB analysis

Author

A lawmaker who formally puts a bill forward. The text itself is drafted by the Legislative Reference Bureau.

Official term: Author, coauthor

Signed on in support

Lawmakers who back a bill without being one of its authors, often from the other chamber.

Official term: Cosponsor

Cost estimate

A state agency's estimate of what a bill would cost or save.

Official term: Fiscal estimate