Are illegal immigrants criminals? Under federal law, no — not by the fact of being here. Living in the United States without authorization is a civil violation, handled in administrative immigration proceedings rather than criminal court. Some related acts are crimes: crossing the border outside a port of entry is a federal misdemeanor, and returning after a formal deportation is a felony. But presence alone is not a criminal offense, and a person who is simply in the country without valid status does not have a criminal record because of it.
Unlawful Presence Is a Civil Violation
Most people described as “illegal immigrants” are unlawfully present. That means they either entered without inspection or stayed past the expiration of a visa. The federal government defines unlawful presence as any period a person is in the country without being admitted, paroled, or otherwise authorized to stay by the Department of Homeland Security.1U.S. Citizenship and Immigration Services. Unlawful Presence and Inadmissibility It covers a wide range of situations, from a tourist who overstayed by a week to someone who crossed the border as a child decades ago.
The key point: unlawful presence is a civil matter. A person cannot be sentenced to prison solely for being in the country without status, does not face a criminal jury, and does not get a criminal record from it. The Department of Justice classifies immigration court proceedings as civil and administrative.2United States Department of Justice. 5.1 – Representation and Appearances Generally
The civil consequences are still serious. Unlawful presence triggers escalating bars on future admission. Someone who accumulates more than 180 days but less than one year of unlawful presence and then leaves becomes inadmissible for three years. A year or more of unlawful presence, followed by departure, brings a ten-year bar.3Office of the Law Revision Counsel. 8 USC 1182 – Inadmissible Aliens Anyone who accrues more than a year of unlawful presence and then reenters or attempts to reenter without authorization faces a permanent bar. These penalties make later legalization very difficult, even for people who marry U.S. citizens or have other qualifying family ties. Serious, yes — but civil, not criminal.
When Entering the Country Is a Crime
While presence itself is civil, the physical act of entering outside a port of entry is a federal crime. Under 8 U.S.C. § 1325, a first offense carries up to six months in prison, a fine, or both. A second or subsequent offense increases to up to two years. The same statute reaches people who evade immigration inspection or use fraudulent documents to gain entry.4Office of the Law Revision Counsel. 8 USC 1325 – Improper Entry by Alien These cases go through the federal criminal courts, where prosecutors must prove the offense beyond a reasonable doubt.
Section 1325 also imposes a separate civil fine of $50 to $250 per unauthorized entry, doubled for repeat violations, stacked on top of any criminal sentence. In practice, the government does not criminally prosecute every unauthorized crossing. Prosecutorial discretion, court capacity, and enforcement priorities shape who actually faces charges. Many people apprehended at the border are placed directly into civil removal proceedings without any criminal charge.
So the “criminal” label attaches to the act of crossing, not to the ongoing state of being here. A person who entered on a valid visa and later overstayed committed no crime under § 1325. A person who crossed between ports of entry did, whether or not they were ever prosecuted.
Reentry After Removal Is a Felony
The most serious immigration-specific criminal penalties apply to people who return after a formal deportation. Under 8 U.S.C. § 1326, unauthorized reentry after a prior removal order carries up to two years in prison as a baseline. If the earlier removal followed a conviction for certain felonies or multiple drug or violent misdemeanors, the maximum climbs to ten years. Following an aggravated felony conviction, the maximum reaches twenty years.5Office of the Law Revision Counsel. 8 USC 1326 – Reentry of Deported Alien
Reentry after removal is always a felony, and these cases make up a significant share of the federal criminal docket. Someone who crossed the border once and was never deported is in a very different legal position than someone who was formally removed and came back.
How Criminal Convictions Change the Picture
A noncitizen’s situation shifts sharply if they are convicted of certain crimes under ordinary criminal law. Federal immigration law defines a category called “aggravated felonies” that includes murder, rape, drug trafficking, firearms trafficking, and theft or burglary offenses where the sentence is at least one year.6Legal Information Institute. 8 USC 1101 – Definitions The label is misleading: it reaches offenses that are neither “aggravated” nor “felonies” under state law. A shoplifting conviction with a one-year sentence can qualify.
An aggravated felony conviction, or a conviction for a crime involving dishonesty or violence, typically triggers mandatory detention without bond, disqualification from most forms of relief such as asylum or cancellation of removal, and permanent inadmissibility. These consequences apply to lawful permanent residents too, not only to people without status. A green card holder convicted of drug trafficking faces the same mandatory removal provisions as someone with no status at all.
This is where the tiered structure of the law becomes clearest. When enforcement officials describe someone as a “criminal alien,” they almost always mean a person with a conviction under ordinary criminal law, not a person whose only violation is being in the country. An undocumented person who has lived quietly for twenty years without a criminal record is in a fundamentally different legal position than someone with a drug trafficking conviction, even though both may lack valid status.
Asylum Seekers Are a Recognized Exception
One boundary worth naming: federal law explicitly allows anyone physically present in the United States to apply for asylum regardless of how they entered or their current immigration status.7Office of the Law Revision Counsel. 8 USC 1158 – Asylum That right extends to people who crossed between ports of entry.
To qualify, an applicant must show a well-founded fear of persecution based on race, religion, nationality, political opinion, or membership in a particular social group. General poverty, crime, or instability in the home country does not suffice. People apprehended at the border usually first go through a credible fear interview with an asylum officer to determine whether the claim can proceed. Applications generally must be filed within one year of arrival, with narrow exceptions.
Someone who crosses the border and immediately requests asylum is using a pathway Congress built into the system. They could in theory be charged with illegal entry under § 1325, but the statutory scheme contemplates and protects this exact scenario. Calling that person a “criminal” is not what the law does.