Currently child marriage is legal in 44 states….

As of January 2022, in nine states there is no statutory minimum age when all exemptions were taken into account.

Between 2000 and 2018, nearly 300,000 minors were legally married in the United States

In most states marriage legally emancipates an individual…making them an adult…

As of July 2021, six states have banned underage marriages, with no exception.

https://en.m.wikipedia.org/wiki/Child_marriage_in_the_United_States