What is one key factor in determining eligibility for naturalization?

One key factor in determining eligibility for naturalization is the length of residence in the U.S. This criterion is fundamental because the U.S. Citizenship and Immigration Services (USCIS) requires applicants to have been lawful permanent residents (green card holders) for a specific period before they can apply for citizenship. Generally, this period is five years, or three years if the applicant is married to a U.S. citizen.

The emphasis on length of residence reflects the importance of establishing a connection to the United States, including familiarity with the culture, language, and civic responsibilities. This requirement ensures that applicants have had adequate time to integrate into society and understand their rights and duties as potential citizens.

Other factors listed, such as income level, employment status, and number of dependents, do not directly affect eligibility for naturalization, although they may influence a person's overall situation in the U.S. However, they are not as central to the immigration process as the length of residence.