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A conviction from a decade ago, a nine-month trip to care for a sick parent, or a move that you never reported, can put your green card at risk. None of these things can take away your U.S. citizenship. The two statuses look similar on paper, but the law treats them very differently when something goes wrong.
Permanent Residence Is Indefinite, Not Unconditional
A lawful permanent resident may be subject to removal proceedings. Certain criminal convictions can make a green card holder deportable under federal immigration law, including aggravated felonies, controlled substance offenses, and crimes involving moral turpitude. Getting probation instead of jail does not change this. The immigration consequences attach to the conviction, not the sentence.
Citizenship closes that door. A naturalized citizen can lose status only through denaturalization, and the government has to prove that the citizenship was obtained through fraud or willful concealment. These cases are unusual.
Travel Creates Risk for Residents and Almost None for Citizens
Every time a permanent resident returns from abroad, the officer decides whether they still have a home in the United States. Absenteeism of six months or more raises questions. A trip lasting one year or longer is usually treated as abandonment of residence, unless a re-entry permit has been approved before departure. What protects you are the evidence of ties: residence you maintained, employment, family here, and tax returns filed as a resident, rather than a non-resident.
Citizens re-enter the United States on a U.S. passport without any questions. No one asks them why they have been away for so long.
Registration and Reporting Rules Apply Only to Noncitizens
The Department of Homeland Security (DHS) issued a final rule on alien registration in June 2026. This rule imposes obligations that many residents may not be aware of.
- All permanent residents 18 years and older are required to carry proof of their registration. For most people, this means carrying their physical green card. Failure to carry this document can result in a federal misdemeanor violation under 8 U.S.C. § 1304(e).
- It is also important to report any change of address to the United States Citizenship and Immigration Services (USCIS) within 10 days using Form AR-11. This form should be filed on the day the lease agreement is signed.
- Failure to report a change of address can lead to removal from the country, and it is one of the most common reasons why people miss interview notices or hearing dates.
These rules do not apply to citizens, as they are not required to carry any documents or report changes in address.
What Citizens Can Do That Residents Cannot
Voting is the sharpest line. A non-citizen who votes in a federal election commits a federal crime and creates an almost unfixable immigration problem, even if a state agency offers the registration form. Stay off the voter rolls until you become a citizen.
Family petitions are what most clients feel is the difference. Citizens can petition for parents, siblings and married adult children. Permanent residents are limited to spouses and unmarried children, and these relatives wait in a category that moves slowly. Citizens also have a U.S. passport, qualify for most federal jobs and clearances, and serve on juries.
Naturalizing in 2026 Means a Longer Civics Test
The core requirements have not changed: five years as a permanent resident, or three if you are married to a U.S. citizen and living with them, plus continuous residence, physical presence, good moral character and English ability.
The test has changed. If you file Form N-400 on or after October 20, 2025, you will take the 2025 civics test. The test consists of 128 questions, and the officer will ask up to 20. You need to answer 12 questions correctly to pass. Applicants who file before that date will still take the 2008 version, which has 10 questions with 6 questions correct to pass. Your filing date determines which version of the test you take, not your interview date.
Get Your Status Reviewed Before You File
Old arrests, long absences, and unreported changes of address are easier to deal with before they become a problem at a port of entry or during an interview. At CoxEsq PC, attorney David Cox has more than two decades of experience in immigration law. He has worked in government, private practice, and as a business leader, which shapes how we approach each case. Contact us to schedule consultation.