Foreign nationals seeking American citizenship must meet specific residency requirements before applying for naturalisation. While most applicants need five years as permanent residents, certain spouses of US citizens can qualify after three years.
The United States requires most foreign nationals to live in the country as lawful permanent residents for at least five years before applying for citizenship.
The requirement forms part of the country’s naturalisation process, which allows eligible immigrants to become American citizens after meeting residency, language and other legal conditions.
According to the US government’s naturalisation guidelines, applicants must also be at least 18 years old when submitting their applications.
US citizenship: The five-year residency requirement
Under the standard naturalisation route, foreigners must first obtain lawful permanent resident status, commonly known as a Green Card.
The five-year qualifying period begins from the date they become permanent residents.
However, simply holding a Green Card for five years does not automatically qualify someone for citizenship.
Applicants must demonstrate continuous residence in the United States throughout the required period. They must also have been physically present in the country for at least 30 months within the five years immediately before submitting their applications.
In addition, applicants must have lived for at least three months in the state or US Citizenship and Immigration Services (USCIS) district where they intend to apply.
For foreigners interested in obtaining permanent residency through family sponsorship, the financial requirements are another important consideration.
Read also: US Green Card Sponsorship: Income Rule Citizens Must Meet Before Bringing Foreign Relatives.
Foreigners married to US citizens can apply after three years
The United States provides a shorter residency requirement for certain foreigners married to American citizens.
Under this provision, an eligible applicant can seek naturalisation after three years as a lawful permanent resident instead of waiting for the standard five-year period.
However, the applicant must have been married to and living in a marital union with the same US citizen spouse throughout the three years immediately preceding the application.
The spouse must also have been a US citizen throughout that period.
Applicants under this category must demonstrate at least 18 months of physical presence in the United States during the three-year qualifying period.
The shorter waiting period does not automatically apply to everyone who marries an American citizen. Applicants must satisfy the additional marital and residency conditions.
What happens if a foreigner travels outside America?
Travel history can affect an immigrant’s eligibility for naturalisation.
According to USCIS, spending six months or more outside the United States may disrupt the continuous residence requirement.
An absence lasting six months or more but less than one year can create a presumption that the applicant interrupted continuous residence. They may need to provide evidence to overcome that presumption.
Meanwhile, an absence of one year or more generally breaks continuous residence, although certain exceptions exist under immigration law.
Some exchange visitors also face separate immigration restrictions that can affect their plans to obtain permanent residency.
Read also: US 2-Year Home Rule: What Nigerians and Other West Africans Need to Know.
Other requirements for American citizenship
Beyond residency, foreigners must satisfy other conditions before becoming eligible for naturalisation.
These include demonstrating good moral character and showing an understanding of basic English, as well as American history and government.
Most applicants must also complete an interview and pass the required English and civics tests, although exemptions apply to certain eligible individuals.
The application is submitted through Form N-400, the official naturalisation application.
Applicants should also understand that obtaining citizenship does not mean their status can never be challenged.
Read also: 8 Africans Face US Citizenship Revocation: What to Know About the Cases.
For Nigerians and other foreign nationals living in America, understanding these requirements is important when planning the transition from permanent residency to citizenship.
The five-year rule remains the standard route, while the three-year provision offers a shorter pathway for qualifying spouses of American citizens.