It's a worldwide problem. It's estimated that 1 in 3 girls worldwide will be child brides by 2030.
In Iraq, the current legal age is 18 but nearly 30% of marriages are underage.
117 countries have child marriage and six countries don't specify a legal age. Even countries where they stipulate a minimum age of 18, there are exceptions or it's ignored. In India child marriage is illegal but it has one of the highest rates of child marriage in the world.
Niger has the highest rate with 76% of girls marrying before 18.
The US has recorded 12 and 13 year olds marrying.