21-5507.
Unlawful voluntary sexual relations.
(a) Unlawful voluntary sexual relations is:
(1) Engaging in any of the following acts with a child who is 14 or more years of age but less than 16 years of age:
(A) Voluntary sexual intercourse;
(B) voluntary sodomy; or
(C) voluntary lewd fondling or touching;
(2) when the offender is less than 19 years of age;
(3) when the offender is less than four years of age older than the child;
(4) when the child and the offender are the only parties involved; and
(5) when the child and the offender are members of the opposite sex.
(b) Unlawful voluntary sexual relations as defined in:
(1) Subsection (a)(1)(A) is a severity level 8, person felony;
(2) subsection (a)(1)(B) is a severity level 9, person felony; and
(3) subsection (a)(1)(C) is a severity level 10, person felony.
History:
L. 2010, ch. 136, § 71; July 1, 2011.
Notes of Decisions
Cited in
4
cases (
4 in the last 5 years), 2021–2025 · leading case:
In re A.B., 484 P.3d 226 (Kan. 2021).
In re A.B., 484 P.3d 226 (Kan. 2021).
· cites it 15× “K.S.A. 2020 Supp. 21-5506(b)(1) (aggravated indecent liberties with a child) is not vague or overbroad for the reasons advanced in this case.”
State v. Sanders, 563 P.3d 234 (Kan. Ct. App. 2025).
· cites it 2× “In Kansas, under K.S.A. 21-5507(a)(1)(A), persons 16 years of age or older can lawfully consent to sexual intercourse.”
Mattice v. City of Stafford (Kan. Ct. App. 2021).
“, K.S.A. 2020 Supp. 21-5503(a)(3) (prohibiting "sexual intercourse with a child who is under 14 years of age"); K.”
United States v. Spradley (10th Cir. 2025).
“See Kan. Stat. Ann. § 21-5507 . So non-commercial consensual sex with the girl would have been legal.”
— K.S.A. § 21-5507(a)(1)(A) — 1 case
State v. Sanders, 563 P.3d 234 (Kan. Ct. App. 2025).
“In Kansas, under K.S.A. 21-5507(a)(1)(A), persons 16 years of age or older can lawfully consent to sexual intercourse.”
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