Missouri Revised Statutes

Mo. Rev. Stat. § 115.133 (2026)

Qualifications of voters

✓ current as of May 2026
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  115.133.  Qualifications of voters. — 1.  Except as provided in subsection 2 of this section, any citizen of the United States who is a resident of the state of Missouri and seventeen years and six months of age or older shall be entitled to register and to vote in any election which is held on or after his eighteenth birthday.

  2.  No person who is adjudged incapacitated shall be entitled to register or vote.  No person shall be entitled to vote:

  (1)  While confined under a sentence of imprisonment;

  (2)  While on probation or parole after conviction of a felony, until finally discharged from such probation or parole; or

  (3)  After conviction of a felony or misdemeanor connected with the right of suffrage.

  3.  Except as provided in federal law or federal elections and in section 115.277, no person shall be entitled to vote if the person has not registered to vote in the jurisdiction of his or her residence prior to the deadline to register to vote.

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(L. 1977 H.B. 101 § 7.010, A.L. 1979 S.B. 275, A.L. 1982 H.B. 1600, A.L. 1983 S.B. 44 & 45, A.L. 1993 H.B. 23, A.L. 2002 S.B. 675, A.L. 2003 H.B. 511)

Notes of Decisions
Cited in 7 cases, 1989–2016 · leading case: State v. Andrews, 329 S.W.3d 369 (Mo. 2011).
State v. Andrews, 329 S.W.3d 369 (Mo. 2011). · cites it 4× “, section 115.133 (setting the minimum voting age at 18); section 302.”
State Ex Rel. Simmons v. Roper, 112 S.W.3d 397 (Mo. 2003). · cites it 4× “325 (setting the minimum drinking age at 21); section 115.133 (setting the minimum voting age at 18); section 431.”
Est. of Posey v. Bergin, 299 S.W.3d 6 (Mo. Ct. App. 2009). · cites it 10× “” In responding to Father’s request that the court make a finding regarding Father’s right to vote, the trial court found that Section 115.133 mandates, “No person who is adjudged incapacitated shall be entitled to register to vote,” and thus, Father should not be allowed to…”
Missouri State Conf. of the Nat'l Ass'n for the Advancement of Colored People v. Ferguson-Florissant Sch. Dist., 201 F. Supp. 3d 1006 (E.D. Mo. 2016). “§§ 115.133, 115.195; 561.026; Mo. Const, art.”
Day v. Robinwood West Cmty. Improvement Dist., 693 F. Supp. 2d 996 (E.D. Mo. 2010). · cites it 2× “Specifically, Mo.Rev.Stat. § 115.133 provides that registered voters must be: (1) U.”
Bright v. Bright, 989 S.W.2d 196 (Mo. Ct. App. 1999). “115; and vote, § 115.133. Indeed, emancipation can occur prior to age eighteen.”
Marre v. Reed, 775 S.W.2d 951 (1989). · cites it 2× “This is true irrespective of whether registration is considered a qualification in addition to qualifications described in section 115.133, RSMo 1986. Second, the Comprehensive Election Act of 1977, chapter 115, RSMo 1986, provides procedures for preventing an unqualified or…”
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