Minimum Age to Get Married Without Parental Consent — All 50 States (2026)

Marrying With vs. Without Parental Consent

In every US state, the minimum age to marry without parental consent is 18 (or higher in Mississippi and Nebraska, where the age of majority is elevated). This means that anyone under 18 requires adult permission to legally wed — either from parents, guardians, or a court.

The critical distinction is what happens with that consent:

The Legislative Reform Wave (2016–2026)

Before 2016, virtually every US state allowed marriage under 18 with parental consent, and many had no statutory minimum age at all. The reform wave was sparked by advocacy groups like Unchained At Last and Girls Not Brides, combined with academic research documenting the harms of child marriage.

Key research driving the reform: Studies found that girls married before 18 were 50% more likely to drop out of high school, significantly more likely to experience domestic violence, and faced long-term health and poverty consequences. Boys were similarly harmed, though at lower rates.

Federal vs. State Jurisdiction Over Marriage Age

Under the US Constitution, family law — including marriage — is primarily a state matter. The federal government has historically deferred to states on minimum marriage ages. However, federal law does intersect with marriage age in several specific contexts:

• Immigration: Under the Immigration and Nationality Act, certain immigration benefits related to marriage require the foreign-born spouse to be at least 18. A US citizen or lawful permanent resident cannot petition for a spouse under 18 in most visa categories.
• Military Benefits: The Uniformed Services Former Spouses' Protection Act and TRICARE rules generally require that spouses be at least 18 for full benefit eligibility in most circumstances.
• Child Marriage Prevention in US Territories: Congress has direct legislative authority over US territories (Puerto Rico, Guam, etc.), and advocates have pushed for federal standards in these jurisdictions.
• International Travel: Under the Trafficking Victims Protection Act, facilitating the marriage of a minor for the purpose of traveling internationally can constitute a federal offense related to human trafficking.

State-by-State Marriage Age Table (2026)

Sorted alphabetically. "Absolute ban" means 18 is the minimum with no parental or judicial exceptions.

Laws in this area change frequently. Verify current law with your state's official statutes or a family law attorney.

Historical Context: How We Got Here

English common law — the legal tradition the American colonies inherited — set the minimum marriage age at 12 for girls and 14 for boys, tracking the medieval presumption of puberty. This standard persisted, with modifications, in American law for centuries.

By the early 20th century, all US states had set some statutory minimum, typically 16 for girls and 18 for boys, with parental consent. But these standards were often unevenly enforced, and many states maintained loopholes — pregnancy exceptions, judicial bypass provisions, or simply no floor at all with a judge's blessing.

The modern era of reform began gathering momentum in the 2010s, accelerating sharply after 2016. Researchers estimated that between 2000 and 2018, more than 300,000 children were legally married in the United States — the vast majority girls, many married to significantly older men. These findings, combined with survivor advocacy, created the political momentum for the wave of legislative changes documented above.

As of 2026, the United States is still not among the countries with a universal federal minimum marriage age of 18. That distinction means the US, despite its reform progress, still ranks behind many peer nations in formal child marriage protections.

Frequently Asked Questions