In the United States prior to 1900 many states had ages of consent as low as 10. However by 1920 most states had raised their age of consent to 18, although ages as low as 14 still existed until the 1990s. Currently all states set the age of consent at 18. | In the United States prior to 1900 many states had ages of consent as low as 10. However by 1920 most states had raised their age of consent to 18, although ages as low as 14 still existed until the 1990s. Currently all states set the age of consent at 18. |