Oklahoma has officially prohibited child marriage, becoming the 17th state in the United States to implement such a ban. This action aligns with the United Nations’ definition of child marriage as a human rights violation and forced marriage, where at least one party is under 18.
In 2017, marriage under the age of 18 was legally possible across all 50 states. As of now, 17 states and Washington, D.C., have raised the legal marriage age to 18 without exceptions. Between 2000 and 2018, approximately 300,000 children, some as young as 10 years old, were legally married in the U.S., primarily girls married to adult men. This data comes from Unchained at Last, a nonprofit dedicated to ending child marriage in the United States.
Oklahoma’s New Legislation
Oklahoma recently enacted a bill mandating that individuals wishing to marry in the state must be at least 18 years old. The bill passed unanimously through the state Senate and faced some debate in the state House before passing by one vote.
Previously, state laws permitted minors to marry with parent or guardian consent. Additionally, children aged 16 or younger could marry with court authorization.
States Where Child Marriage Remains Legal
The following states still allow some form of child marriage, according to Unchained At Last:
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maryland
- Mississippi
- Montana
- Nebraska
- Nevada
- New Mexico
- North Carolina
- North Dakota
- Ohio
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- West Virginia
- Wisconsin
- Wyoming
While child marriage is legal in these states, many lawmakers are advocating for change. In Wisconsin, Democratic lawmakers are pushing a bill to outlaw child marriage entirely, ensuring the legal marriage age is set at 18 without exceptions.
Advocates have voiced concerns that child marriage exposes minors to abuse due to their limited legal rights. Additionally, discrepancies in state laws allow minors to be taken to other states where child marriage continues to be legal.
States That Have Fully Banned Child Marriage
The following states have implemented full bans on marriage for individuals under 18:
- Connecticut
- Delaware
- Maine
- Massachusetts
- Michigan
- Minnesota
- Missouri
- New Hampshire
- New Jersey
- New York
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- Vermont
- Virginia
- Washington
Next Steps
Oklahoma’s new law will be effective from November 1, marking a significant shift toward eradicating child marriage in the U.S.

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