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Under-18 marriage laws in the U.S.

Majority of U.S. states allow under-18 marriage with parental consent, judicial approval, or other exceptions, while a minority of states ban under-18 marriage without exceptions

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Feb 1, 2026

How have state legislatures changed marriage‑age laws since 2018 — a state-by-state timeline of reforms?

Since 2018 state legislatures moved from inaction to a patchwork of reforms: some states banned entirely by setting the minimum age at 18 with no exceptions, while others enacted narrower changes—rais...