Whether illegal immigration is a crime depends on which act you mean. Crossing the border outside an official port of entry is a federal crime under 8 U.S.C. § 1325. Living in the United States without legal status, on the other hand, is a civil violation handled in immigration court, not a criminal offense. The Supreme Court has said so directly, and the distinction shapes everything about how the government responds: who gets prosecuted, who gets deported, what rights apply, and what the long-term consequences look like.
Illegal Entry Is a Federal Crime
Entering the country anywhere other than a designated checkpoint violates 8 U.S.C. § 1325. The statute also covers people who evade inspection by immigration officers and those who get through a port of entry using false documents or lies.1Office of the Law Revision Counsel. 8 USC 1325 – Improper Entry by Alien
A first offense is punishable by up to six months in jail, which places it in the Class B misdemeanor category under federal sentencing law.2Office of the Law Revision Counsel. 18 USC 3559 – Sentencing Classification of Offenses A second or subsequent entry is punishable by up to two years, making it a Class E felony.1Office of the Law Revision Counsel. 8 USC 1325 – Improper Entry by Alien
Fines work on two tracks. Section 1325 does not set its own criminal fine amount; it defaults to the general federal fine schedule in Title 18, where a Class B misdemeanor tops out at $5,000 and a felony can reach $250,000.3Office of the Law Revision Counsel. 18 USC 3571 – Sentence of Fine On top of that, the statute itself authorizes a civil penalty of $50 to $250 for each entry attempt, doubled for anyone previously penalized. The civil fine stacks on the criminal sentence rather than replacing it.4Office of the Law Revision Counsel. 8 USC 1325 – Improper Entry by Alien
Unlawful Presence Is a Civil Matter
Someone who entered the country legally and overstayed a visa, or who is otherwise in the country without current authorization, is in a different legal position. No federal statute makes it a crime simply to be in the United States without immigration status. The violation is civil.
The Supreme Court has stated this twice in plain language. In INS v. Lopez-Mendoza (1984), the Court described deportation as “a purely civil action to determine eligibility to remain in this country,” not a punishment for past conduct.5Justia. INS v. Lopez-Mendoza, 468 US 1032 (1984) In Arizona v. United States (2012), the Court wrote: “As a general rule, it is not a crime for a removable alien to remain present in the United States.”6Legal Information Institute. Arizona v. United States
Because the violation is civil, the proceedings are civil. The Department of Justice’s Executive Office for Immigration Review runs the hearings, and immigration judges decide whether a person should be removed or qualifies for some form of relief.7Department of Justice. Executive Office for Immigration Review – About the Office A case usually starts when the Department of Homeland Security issues a Notice to Appear setting out the government’s grounds for removal.8Executive Office for Immigration Review. The Notice to Appear There is no jury, no criminal conviction, and no jail sentence attached to the status violation itself.
The Civil Consequences Still Hit Hard
“Civil” does not mean minor. Unlawful presence triggers reentry bars that often outlast any criminal sentence a person could receive for improper entry.
Under 8 U.S.C. § 1182(a)(9)(B), anyone who accumulates more than 180 days but less than one year of unlawful presence and then leaves the country is barred from returning for three years. Unlawful presence of one year or more raises the bar to ten years.9Office of the Law Revision Counsel. 8 USC 1182 – Inadmissible Aliens USCIS confirms that someone seeking readmission within ten years of departing after a year or more of unlawful presence is inadmissible.10U.S. Citizenship and Immigration Services. Unlawful Presence and Inadmissibility
A person convicted of improper entry might serve a short jail sentence and move on. A person who triggers the ten-year bar generally cannot obtain a visa, adjust status, or legally return for a decade, even with a U.S. citizen spouse or children at home.
Reentry After Removal Is a Felony
The toughest criminal penalties in this area apply to people who come back after being formally deported. Under 8 U.S.C. § 1326, anyone previously deported, excluded, or ordered removed who then reenters or is found in the country without the Attorney General’s express permission faces a federal felony.11Office of the Law Revision Counsel. 8 USC 1326 – Reentry of Removed Aliens
The base penalty is up to two years in federal prison. The ceiling rises sharply based on the person’s record:
- If the original removal followed three or more misdemeanors involving drugs or crimes against a person, or a non-aggravated felony, the maximum rises to 10 years.
- If the removal followed an aggravated felony conviction, the maximum rises to 20 years.
- If the person was formally excluded from the United States, the sentence is a mandatory 10 years.
These penalties apply whether the person crossed in a remote area or tried to pass through a port of entry. Defenses are narrow and generally limited to challenging the validity of the original removal order.11Office of the Law Revision Counsel. 8 USC 1326 – Reentry of Removed Aliens
Why “Civil” Does Not Mean “Protected”
The civil label carries one consequence worth understanding before anyone takes comfort in it. Constitutional protections built for criminal cases do not fully apply to removal proceedings. The clearest example is counsel. Under 8 U.S.C. § 1229a, a person in removal proceedings has the right to be represented by a lawyer, but “at no expense to the Government.”12Office of the Law Revision Counsel. 8 USC 1229a – Removal Proceedings You hire your own attorney or you face a trained government lawyer alone.
Someone facing deportation to a country where they fear persecution is navigating a process at least as consequential as a felony trial, without the Sixth Amendment guarantee of counsel that criminal defendants receive. The civil classification can mean fewer procedural protections, not milder outcomes.
Asylum Seekers Between Ports of Entry
One boundary is worth stating because the overlap confuses people. Under 8 U.S.C. § 1158, any person physically present in the United States may apply for asylum “whether or not at a designated port of arrival.”13Office of the Law Revision Counsel. 8 USC 1158 – Asylum Crossing outside a checkpoint does not, by itself, disqualify someone from seeking protection.
That coexists uneasily with § 1325. The act of crossing between ports of entry remains a criminal violation on paper, while the asylum statute recognizes that people fleeing danger may not get to choose how they arrive. How aggressively the government pursues criminal charges against asylum seekers depends on enforcement priorities, prosecutorial discretion, and executive branch policy, which have shifted significantly across administrations.