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California bans child marriage after nine-year push

California bans child marriage after nine-year push

Rule Changes San Francisco, CA local

Newsom signs AB 1267, making 18 the minimum marriage age starting January 1, 2027

2 days ago: Newsom signs AB 1267 into law

Overview

Updated 1 hour ago

California had no minimum marriage age. A child could marry with a parent's signature and a judge's approval. As of January 1, 2027, that's illegal: Governor Gavin Newsom signed a law making 18 the minimum marriage age, with no exceptions.

The signing ends a nine-year push that repeatedly stalled. Earlier bills died over opposition from Planned Parenthood and the American Civil Liberties Union, which worried a ban could restrict minors' reproductive and healthcare rights. This year, Planned Parenthood stayed neutral and the Legislature passed AB 1267 in August.

Why it matters

Starting in January 2027, no one under 18 can marry in California — closing a loophole that wed nearly 24,000 minors since 2000.

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Key Indicators

18
States that have banned child marriage
California is the 18th state to ban it since 2018, when it was legal in all 50 states.
24,000
Minors married in California, 2000–2018
Second-highest in the nation, behind Texas's 42,000, per Unchained At Last.
86%
Child marriages involving girls
Almost all underage marriages in California paired girls with adult men.
314,000
US minors legally married, 2000–2021
Compiled by advocacy groups from state marriage records, citing girls as young as 10.

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People Involved

Organizations Involved

Timeline

January 2017 September 2026

6 events Latest: 2 days ago
Tap a bar to jump to that date
  1. Legislature passes AB 1267

    Legislation

    State lawmakers approve a ban on marriage under 18 with no exceptions, sending it to the governor.

  2. Second ban bill dies

    Legislation

    Similar legislation introduced in 2024 also fails to advance.

  3. Absolute ban bill dies

    Legislation

    A new proposal to ban all marriages under 18 dies in committee.

  4. Compromise law passes without a ban

    Legislation

    California passes a watered-down measure requiring judicial screening to rule out coercion, but setting no minimum age.

  5. First California child marriage ban introduced

    Legislation

    State Sen. Jerry Hill introduces the state's first bill to set an absolute minimum marriage age of 18.

Scenarios

1

California's child marriage ban takes effect Jan. 1, 2027

Likely Resolves by Jan 1, 2027

Discussed by: Bill authors and advocacy groups including Unchained At Last

The law goes into effect as scheduled. County clerks stop issuing marriage licenses to anyone under 18, and the judicial-authorization process for minors is eliminated. This is the baseline expectation among supporters, who see no serious legislative or judicial obstacle before the effective date.

2

Court challenge blocks California's child marriage ban

Unlikely Resolves by Jan 1, 2027

Discussed by: Potential parental-rights or religious-liberty groups; ACLU has not signaled a suit

A lawsuit argues the ban violates parental rights or religious freedom. The ACLU, which opposed the bill, could join — though it has not announced a challenge. A state or federal court would need to issue an injunction before January 1 for the law to be delayed.

3

Federal Child Marriage Prevention Act becomes law

Possible Resolves by Jan 3, 2027

Discussed by: Rep. Gwen Moore, Sens. Durbin, Schatz and Gillibrand; Tahirih Justice Center

Congress passes the federal bill introduced in July 2026, which would push states toward a nationwide minimum marriage age of 18 with data-collection incentives. California's ban adds momentum, but the bill faces an uphill path in a divided Congress and would need passage before the 119th Congress ends.

Historical Context

2 moments from history that rhyme with this story — and how they unfolded.

2017

Texas bans most child marriages (2017)

Texas became an early mover against child marriage, banning it in most cases and allowing it only for 16- and 17-year-olds who were legally emancipated from their parents. Between 2000 and 2018, Texas recorded nearly 42,000 child marriages, the most of any state.

Then

The partial ban still left a pathway for older teens to marry with a court-approved emancipation.

Now

Texas's restrictive-but-not-absolute approach contrasts with the no-exception bans that followed in other states.

Why this matters now

It shows the shift from partial restrictions to absolute bans that California has now completed.

April 2022

England and Wales set marriage age at 18 (2022)

The UK's Marriage and Civil Partnership (Minimum Age) Act made 18 the minimum marriage age in England and Wales with no exceptions. It was part of a post-2021 wave that also included Sierra Leone, the Philippines and the Dominican Republic.

Then

England joined a growing list of countries treating marriage under 18 as a human rights violation, in line with UN framing.

Now

The international standard has moved toward 18, highlighting how the US patchwork stands apart — 32 states still allow some child marriage.

Why this matters now

California's ban aligns the largest US state with the international norm that England and others have adopted.

Sources

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