Missouri Revised Statutes

Mo. Rev. Stat. § 143.011 (2026)

Resident individuals

✓ current as of May 2026

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143.011. Resident individuals — tax rates — rate reductions, when. — 1. A tax is hereby imposed for every taxable year on the Missouri taxable income of every resident. The tax shall be determined by applying the tax table or the rate provided in section 143.021, which is based upon the following rates:

If the Missouri taxable income is:	The tax is:
Not over $1,000.00	1 1/2% of the Missouri taxable income
Over $1,000 but not over $2,000	$15 plus 2% of excess over $1,000
Over $2,000 but not over $3,000	$35 plus 2 1/2% of excess over $2,000
Over $3,000 but not over $4,000	$60 plus 3% of excess over $3,000
Over $4,000 but not over $5,000	$90 plus 3 1/2% of excess over $4,000
Over $5,000 but not over $6,000	$125 plus 4% of excess over $5,000
Over $6,000 but not over $7,000	$165 plus 4 1/2% of excess over $6,000
Over $7,000 but not over $8,000	$210 plus 5% of excess over $7,000
Over $8,000 but not over $9,000	$260 plus 5 1/2% of excess over $8,000
Over $9,000	$315 plus 6% of excess over $9,000

2. (1) Notwithstanding the provisions of subsection 1 of this section to the contrary, beginning with the 2023 calendar year, the top rate of tax pursuant to subsection 1 of this section shall be four and ninety-five hundredths percent.

(2) The modification of tax rates made pursuant to this subsection shall apply only to tax years that begin on or after January 1, 2023.

(3) The director of the department of revenue shall, by rule, adjust the tax table provided in subsection 1 of this section to effectuate the provisions of this subsection. The top remaining rate of tax shall apply to all income in excess of seven thousand dollars, as adjusted pursuant to subsection 5 of this section.

3. (1) In addition to the rate reduction under subsection 2 of this section, beginning with the 2024 calendar year, the top rate of tax under subsection 1 of this section may be reduced by fifteen hundredths of a percent. A reduction in the rate of tax shall take effect on January first of a calendar year and such reduced rates shall continue in effect until the next reduction occurs.

(2) A reduction in the rate of tax shall only occur if the amount of net general revenue collected in the previous fiscal year exceeds the highest amount of net general revenue collected in any of the three fiscal years prior to such fiscal year by at least one hundred seventy-five million dollars.

(3) Any modification of tax rates under this subsection shall only apply to tax years that begin on or after a modification takes effect.

(4) The director of the department of revenue shall, by rule, adjust the tax tables under subsection 1 of this section to effectuate the provisions of this subsection.

4. (1) In addition to the rate reductions under subsections 2 and 3 of this section, beginning with the calendar year immediately following the calendar year in which a reduction is made pursuant to subsection 3 of this section, the top rate of tax under subsection 1 of this section may be further reduced over a period of years. Each reduction in the top rate of tax shall be by one-tenth of a percent and no more than one reduction shall occur in a calendar year. No more than three reductions shall be made under this subsection. Reductions in the rate of tax shall take effect on January first of a calendar year and such reduced rates shall continue in effect until the next reduction occurs.

(2) (a) A reduction in the rate of tax shall only occur if:

a. The amount of net general revenue collected in the previous fiscal year exceeds the highest amount of net general revenue collected in any of the three fiscal years prior to such fiscal year by at least two hundred million dollars; and

b. The amount of net general revenue collected in the previous fiscal year exceeds the amount of net general revenue collected in the fiscal year five years prior, adjusted annually by the percentage increase in inflation over the preceding five fiscal years.

(b) The amount of net general revenue collected required by subparagraph a. of paragraph (a) of this subdivision in order to make a reduction pursuant to this subsection shall be adjusted annually by the percent increase in inflation beginning with January 2, 2023.

(3) Any modification of tax rates under this subsection shall only apply to tax years that begin on or after a modification takes effect.

(4) The director of the department of revenue shall, by rule, adjust the tax tables under subsection 1 of this section to effectuate the provisions of this subsection. The bracket for income subject to the top rate of tax shall be eliminated once the top rate of tax has been reduced below the rate applicable to such bracket, and the top remaining rate of tax shall apply to all income in excess of the income in the second highest remaining income bracket.

5. Beginning with the 2017 calendar year, the brackets of Missouri taxable income identified in subsection 1 of this section shall be adjusted annually by the percent increase in inflation. The director shall publish such brackets annually beginning on or after October 1, 2016. Modifications to the brackets shall take effect on January first of each calendar year and shall apply to tax years beginning on or after the effective date of the new brackets.

6. As used in this section, the following terms mean:

(1) "CPI", the Consumer Price Index for All Urban Consumers for the United States as reported by the Bureau of Labor Statistics, or its successor index;

(2) "CPI for the preceding calendar year", the average of the CPI as of the close of the twelve-month period ending on August thirty-first of such calendar year;

(3) "Net general revenue collected", all revenue deposited into the general revenue fund, less refunds and revenues originally deposited into the general revenue fund but designated by law for a specific distribution or transfer to another state fund;

(4) "Percent increase in inflation", the percentage, if any, by which the CPI for the preceding calendar year exceeds the CPI for the year beginning September 1, 2014, and ending August 31, 2015.

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(L. 1972 S.B. 549, A.L. 2014 S.B. 509 & 496, A.L. 2018 S.B. 884, A.L. 2018 H.B. 2540 merged with S.B. 884, A.L. 2021 S.B. 153 & 97, A.L. 2022 1st Ex. Sess. S.B. 3 & 5)

Effective 1-02-23

Notes of Decisions

Cited in 39 cases, 1974–2018 · leading case: Brown Grp., Inc. v. Admin. Hearing Comm'n, 649 S.W.2d 874 (Mo. 1983).

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Brown Grp., Inc. v. Admin. Hearing Comm'n, 649 S.W.2d 874 (Mo. 1983). · cites it 18× “009 provides that §§ 143.011 to 143.996 shall become effective on January 1, 1973 but shall apply only to taxable periods beginning on or after January 1, 1973.”

Goldberg v. Admin. Hearing Comm'n, 609 S.W.2d 140 (Mo. 1980). · cites it 14× “741(1), relating to failure to file returns provides: In case of failure to file any return required under sections 143.011 to 143.996 on the date prescribed therefor (determined with regard to any extension of time for filing), unless it is shown that such failure is due to…”

Garland v. Dir. of Revenue, 961 S.W.2d 824 (Mo. 1998). · cites it 12× “Any person required to collect, truthfully account for, and pay over the tax imposed by sections 143.011 to 143.996 who willfully fails to collect such tax or truthfully account for and pay over such tax .”

Farmers' & Laborers' Co-Operative Ins. Ass'n v. Dir. of Revenue, 742 S.W.2d 141 (Mo. 1987). · cites it 4× “091, RSMo 1978, provides: Any term used in sections 143.011 to 143.-996 shall have the same meaning as when used in a comparable context in the laws of the United States relating to federal income taxes, unless a different meaning is clearly required by the provisions of…”

Hackman v. Dir. of Revenue, 771 S.W.2d 77 (Mo. 1989). · cites it 3× “A claim for credit or refund of an overpayment of any tax imposed by sections 143.011 to 143.996 shall be filed by the taxpayer within three years from the time the return was filed or two years from the time the tax was paid, whichever of such periods expires the later; *81 .”

Herschend v. Dir. of Revenue, 896 S.W.2d 458 (Mo. 1995). · cites it 4× “091 reads: Any term used in sections 143.011 to 143.996 shall have the same meaning as when used in a comparable context in the laws of the United States relating to federal income taxes, unless a different meaning is clearly required by the provisions of sections 143.”

Lloyd v. Dir. of Revenue, 851 S.W.2d 519 (Mo. 1993). · cites it 3× “It provides that “income of a corporation taxable under sections 143.011 to 143.996 shall be so much of its federal taxable income [for a given year] .”

Paulson v. Missouri Dep't of Revenue, 961 S.W.2d 63 (Mo. Ct. App. 1998). · cites it 6× “Jurisdiction resides in this court because this case does not involve the construction of Section 143.011 RSMo (1994), but rather involves the application of that law in its plain meaning to undisputed facts.”

Hornsby v. Dir. of Revenue, 865 S.W.2d 662 (Mo. 1993). · cites it 3× “211 provides: Any amount of tax actually deducted and withheld under sections 143.011 to 143.996 in any calendar year- shall be deemed to have been paid to the director of revenue on behalf of the person from whom withheld.”

Akin v. Dir. of Revenue, 934 S.W.2d 295 (Mo. 1996). “If a federal income tax liability for a year prior to the applicability of sections 143.011 to 143.996 for which he was not previously entitled to a Missouri deduction is later paid or accrued, he may deduct the federal tax in the later year to the extent it would have been…”

Wolff v. Dir. of Revenue, 791 S.W.2d 390 (Mo. 1990). · cites it 2× “Each item of [S corporation’s] income, gain, loss, or deduction shall have the same character for a [shareholder] under section 143.011 to 143.996 as it has for federal income taxes.”

Dow Chem. Co. v. Dir. of Revenue, 787 S.W.2d 276 (Mo. 1990). · cites it 2× “Dow argues that the Director must accord the term dividend in Section 143.”

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