Many jurisdictions have had regulations banning or restricting not just interracial marriage but also interracial sexual relations, including Germany during the Nazi period, South Africa under apartheid, and many states in the United States prior to a 1967 Supreme Court decision.
In the mid 1850s, 70 to 150 Chinese were living in New York City and 11 of them married Irish women.
The overall numbers mask significant gender gaps within some racial groups.
Among blacks, men are much more likely than women to marry someone of a different race.
It became legal in the entire United States in 1967 when the Supreme Court of the United States ruled in the case Loving v.
Virginia that race-based restrictions on marriages violated the Equal Protection Clause of the United States Constitution.