To become a U.S. citizen, the following methods are applicable:
- A person is born in the United States.
- A person of foreign birth is granted citizenship after living in the U.S. for five years (this is often a requirement for naturalization).
- A person of foreign birth successfully completes the naturalization process.
- A person marries someone who is already a U.S. citizen (this can expedite the naturalization process).
All of the options provided are valid pathways to U.S. citizenship.