What age can you cross the usa border alone?

The age at which a person can cross the US border alone depends on the purpose of their travel and their citizenship.

For US citizens and permanent residents:

* Minors under the age of 18: Generally, minors under the age of 18 must be accompanied by a parent or legal guardian when crossing the border. However, there are some exceptions to this rule, such as if the minor has permission from their parents to travel alone or if they are traveling for educational purposes.

* Adults aged 18 and over: Adults aged 18 and over can cross the border alone without any restrictions.

For foreign nationals:

* Minors under the age of 18: Foreign national minors under the age of 18 must generally have a valid passport and visa (if required) to enter the US. They may also need to have a notarized letter of consent from their parents or legal guardians authorizing them to travel alone.

* Adults aged 18 and over: Foreign national adults aged 18 and over must have a valid passport and visa (if required) to enter the US. They do not need any additional documentation to cross the border alone.

Note: These are just general guidelines and there may be additional requirements or restrictions depending on the specific circumstances of the traveler. It is important to check with the appropriate authorities, such as the US Customs and Border Protection, for the most up-to-date information on crossing the US border.