SB 950 would substantially revise Missouri’s individual income tax structure and create a new tax on certain higher-education endowments. On the income tax side, the bill lowers the top individual income tax rate in stages, starting with a reduction to 4.95% for tax years beginning on or after January 1, 2023. It then authorizes additional future reductions tied to growth in net general revenue and inflation, with further cuts possible in 2024, 2025, and 2027 if specified revenue thresholds are met. The bill also directs the Department of Revenue to adjust tax tables and brackets to reflect these changes, including annual inflation indexing of brackets.
The bill also adds a new section imposing a 1.9% tax on the endowment assets of a “qualifying institution of higher education” beginning in 2027. A qualifying institution is defined by its affiliation with abortion facilities, training in abortion procedures, or support for abortion facilities where abortions are performed or induced when not necessary to save the mother’s life. Revenue from this endowment tax would be deposited into the state’s general revenue fund. The bill authorizes the Department of Revenue to promulgate rules to implement the new tax.
In terms of impact on state law, SB 950 would repeal and replace section 143.011, RSMo, while adding new section 146.200. It would change Missouri’s income tax rates and bracket structure, create automatic or conditional tax-cut triggers based on revenue performance, and establish a new tax liability for certain colleges and universities with endowments meeting the bill’s definition. The measure would affect individual taxpayers, the Department of Revenue, and higher-education institutions that fall within the bill’s abortion-related criteria.
The available context shows no committee transcript and no recorded votes, so there is no documented floor or committee debate to gauge support or opposition. Based on the text alone, the bill appears to combine a broadly popular tax-cut framework with a highly targeted tax on institutions connected to abortion services, suggesting likely support from tax-cut advocates and abortion opponents, and likely concern from higher-education and reproductive-rights stakeholders. The main point of contention is the endowment tax’s abortion-related definition, which could be viewed as punitive, constitutionally vulnerable, or politically motivated, while the income-tax reductions are likely to be viewed more favorably.
SB 950 would amend Missouri’s individual income tax law by lowering the top marginal rate and creating a multi-step mechanism for additional reductions tied to state revenue growth and inflation. It would also add a new tax on the endowments of certain higher-education institutions defined by their relationship to abortion facilities or abortion training, with proceeds directed to general revenue. The bill would require the Department of Revenue to update tax tables and promulgate rules, affecting taxpayers, colleges and universities, and state revenue administration.
No committee discussion or vote history is provided, so there is no direct record of legislative sentiment. The bill’s structure suggests a mixed political appeal: the income-tax reductions may attract support from tax-cut proponents, while the endowment tax is likely intended to draw support from anti-abortion lawmakers. At the same time, the higher-education and abortion-related provisions are likely to generate significant opposition from universities, reproductive-rights advocates, and possibly fiscal conservatives concerned about targeted taxation and implementation complexity.
The most notable point of contention is the new endowment tax, which applies only to institutions that are affiliated with abortion facilities, provide abortion-related training, or support abortion facilities where abortions are performed outside life-saving circumstances. Critics would likely argue that this is an ideologically targeted tax and may raise legal or constitutional concerns, while supporters would likely frame it as a policy response to abortion-related institutional activity. A secondary area of debate is the revenue-triggered tax-cut mechanism, which ties future rate reductions to general revenue growth and inflation and could be viewed either as responsible tax relief or as limiting legislative flexibility.