How Can an Undocumented Immigrant Become Legal in the U.S.?

An undocumented immigrant can become legal in the U.S. only through a specific pathway that fits their personal situation: a close family member who is a citizen or permanent resident, a fear of persecution back home, being the victim of a serious crime or trafficking, abuse by a citizen or resident relative, being an abused or neglected minor, ties to the U.S. military, or, in some cases, a defense raised inside deportation proceedings. There is no general application, and most routes are narrow with strict eligibility rules. Choosing the wrong one, or filing something inaccurate, can create a permanent bar to future immigration benefits, so it is worth understanding all the options before filing anything.

Family Sponsorship

A qualifying family relationship is the most common route to a green card. A U.S. citizen can sponsor a spouse, an unmarried child under 21, or a parent as an “immediate relative,” a category with no annual visa cap and no waiting list.¹ Citizens who are 21 or older can also sponsor married children and siblings, but those “preference” categories face years-long backlogs. Lawful permanent residents can sponsor spouses, minor children, and unmarried adult children, all of which are also subject to annual numerical limits.

The petition itself is Form I-130, filed by the citizen or permanent resident relative.² For any preference category, the filing date becomes the applicant’s “priority date,” and a visa becomes available only when that date is current under the State Department’s monthly Visa Bulletin.³ For some countries and categories the wait stretches well beyond a decade.

How the person entered the country decides what happens next. Someone who came in with a valid visa and was inspected at the border can usually apply for a green card from inside the U.S. by filing Form I-485 for adjustment of status.⁴ Someone who crossed without inspection generally cannot, and has to deal with the problem described next.

The Unlawful Presence Bar and the I-601A Waiver

People who entered without being inspected at a port of entry usually have to leave the U.S. and complete their green card interview at a consulate abroad. Departure itself is the trap: anyone with more than 180 days of unlawful presence faces a three-year ban on reentry, and anyone with a year or more faces a ten-year ban.⁵

The provisional unlawful presence waiver, Form I-601A, exists to shrink that risk. It lets an applicant get forgiveness for the unlawful presence before leaving for the consular interview.⁶ The core requirement is proof that a U.S. citizen or permanent resident spouse or parent would suffer “extreme hardship” if the applicant were denied admission. Ordinary hardship from family separation is not enough. An approved I-601A does not guarantee the visa, but it dramatically shortens the time the applicant spends outside the country.

Asylum and Withholding of Removal

Asylum is for people who face persecution in their home country because of race, religion, nationality, political opinion, or membership in a particular social group. The application, Form I-589, must be filed within one year of arrival in the United States.⁷ Narrow exceptions exist for changed conditions in the home country or extraordinary personal circumstances, but a missed deadline sinks many otherwise strong cases.⁸

Winning asylum means protection from deportation and a path to a green card one year later.⁹ A work permit is not automatic. Asylum applicants cannot apply for one until 150 days after filing, and USCIS cannot issue it until 180 days have passed, with any delays the applicant caused not counting toward that clock.¹⁰

If the one-year deadline has passed and no exception applies, withholding of removal is worth knowing about. It has no filing deadline and prevents deportation to the country where the applicant faces harm.¹¹ The tradeoffs are real: the burden of proof is higher (more than a 50 percent chance of persecution, versus roughly 10 percent for asylum), it does not lead to a green card, it does not cover family members, and the government can still send the person to a willing third country. It works as a safety net, not a path to permanent status.

U and T Visas for Crime and Trafficking Victims

The U visa is for victims of serious crimes who suffered substantial physical or mental harm and who help law enforcement investigate or prosecute the crime. Qualifying crimes include domestic violence, sexual assault, kidnapping, extortion, and witness tampering, among others. A law enforcement agency, prosecutor, or judge must confirm the victim’s cooperation on Form I-918, Supplement B.¹² There is no filing fee.¹³

The practical obstacle is the backlog. Congress caps U visas at 10,000 per year for principal applicants, and pending cases dwarf that limit. USCIS has acknowledged that many victims wait over a decade for final approval. Applicants who pass an initial screening while waiting may receive work authorization and temporary protection from deportation.

The T visa gives similar protection to victims of severe human trafficking, covering both sex trafficking and forced labor. Congress capped T visas at 5,000 per year, but that cap has never been reached.¹⁴ T holders get temporary legal status, work authorization, and eventual green card eligibility. Both programs were designed to encourage crime reporting by removing the fear of deportation.

VAWA Self-Petitions

The Violence Against Women Act lets certain abuse victims petition for legal status on their own, without any involvement or knowledge of the abuser. That is the whole point of it: unlike a normal family petition, the citizen or permanent resident relative does not control the case. Eligible self-petitioners include:

Spouses and former spouses of abusive U.S. citizens or lawful permanent residents, including those whose marriages ended through divorce related to the abuse within the past two years.
Children of abusive U.S. citizen or permanent resident parents.
Parents of abusive U.S. citizen sons or daughters who are 21 or older.

The self-petitioner must show that the abuse happened, that they lived with the abuser, and that they are a person of good moral character.¹⁵ Evidence of abuse can include police reports, medical records, court protective orders, records from a domestic violence shelter, or a psychological evaluation. Good moral character is established through a personal affidavit backed by police clearances or background checks from every place the applicant has lived for six or more months during the three years before filing.¹⁶ VAWA petitions use Form I-360 and are kept confidential from the abuser.

Special Immigrant Juvenile Status

Undocumented minors who have been abused, neglected, or abandoned by a parent may qualify for Special Immigrant Juvenile Status, which leads to a green card. The applicant must be under 21, unmarried, and physically present in the United States. Before filing with USCIS, the minor needs a state juvenile court order containing three specific findings: that the minor has been declared dependent on the court or placed in someone’s custody; that reunification with one or both parents is not viable because of abuse, neglect, or abandonment; and that returning the minor to the home country would not be in their best interest.¹⁷

Getting that state court order is usually the hardest part, because standards vary by state. Once it is in hand, the minor files Form I-360 with USCIS. If the petition was filed while the applicant was under 21, USCIS cannot deny it solely because the applicant later turned 21 during processing.

Parole in Place for Military Families

Parole in place is available to certain undocumented family members of U.S. military personnel, including spouses, parents, widows or widowers, and sons or daughters of active-duty service members, reservists, or veterans who were not dishonorably discharged. It applies only to people who entered without inspection, not to visa overstays.¹⁸ The reason it matters so much is that it counts as a lawful entry for immigration purposes. With parole in place, a spouse or parent of a service member can then adjust status through a family petition inside the U.S., instead of leaving the country and running into the unlawful presence bars.

Cancellation of Removal and Registry

Cancellation of removal is not something you file for on your own initiative. It is a defense raised in front of an immigration judge after removal proceedings have started. For a non-permanent resident, the statute requires ten years of continuous physical presence in the U.S., good moral character throughout that period, no disqualifying criminal convictions, and proof that deportation would cause “exceptional and extremely unusual hardship” to a qualifying U.S. citizen or permanent resident spouse, parent, or child.¹⁹

The hardship standard is where most cases fail. Ordinary hardship from losing a family member to deportation is not enough, and hardship to the applicant personally does not count at all. Even for those who meet the standard, Congress caps grants at 4,000 per fiscal year across the whole country.¹⁹

Registry, in theory, lets someone who has lived continuously in the U.S. since before January 1, 1972, apply for a green card.²⁰ Congress has not updated that date in decades, so in practice it reaches only people who have been in the country for over fifty years.

Employment-Based Routes and the 245(i) Exception

Getting a green card through work is theoretically possible but usually out of reach. The standard process requires a U.S. employer to obtain a labor certification from the Department of Labor and then file Form I-140.²¹ The core problem is that most employment-based categories require the applicant to have maintained lawful status to adjust inside the country, which by definition an undocumented person has not done.

The narrow exception is Section 245(i) of the Immigration and Nationality Act. It allows certain people to adjust status regardless of how they entered or whether they kept lawful status, in exchange for a $1,000 penalty fee. The applicant must be the beneficiary of a qualifying immigrant petition or labor certification filed on or before April 30, 2001. If the qualifying petition was filed between January 15, 1998, and April 30, 2001, the applicant must also have been physically present in the U.S. on December 21, 2000.²² Because of those cutoffs, the group who can still use 245(i) shrinks every year, but for someone who qualifies, it removes one of the biggest obstacles to adjusting status.

Programs That Give Protection But Not a Green Card

Several programs offer protection from deportation and a work permit without providing a direct path to permanent residence. They buy time and stability. They are not a substitute for one of the pathways above.

DACA

Deferred Action for Childhood Arrivals gives renewable two-year periods of deferred action and work authorization to people brought to the U.S. as children who meet specific age, education, and residency guidelines. It is not lawful immigration status. As of early 2025, USCIS is still accepting and processing renewal requests for existing recipients, but initial applications from people who have never had DACA are accepted on paper and not processed.²³ Ongoing litigation has kept the program in legal limbo, so anyone relying on it should stay current on court developments.

Temporary Protected Status

TPS is available to nationals of countries the federal government has designated because of armed conflict, natural disaster, or other extraordinary conditions. Designated countries as of 2025 include Burma, El Salvador, Ethiopia, Haiti, Honduras, Lebanon, Nicaragua, Nepal, Somalia, South Sudan, Sudan, Syria, Ukraine, Venezuela, and Yemen.²⁴ The applicant must have been continuously physically present since the effective date of the country’s most recent designation and must not have certain criminal convictions. TPS provides work authorization and protection from deportation for as long as the designation lasts, but it does not lead to a green card on its own. It can be a useful bridge for someone who also has a family-based or other immigrant petition pending.

Watch Out for Immigration Fraud

Undocumented immigrants are frequent targets of fraud, and the consequences of a fraudulent filing are severe. Federal law imposes a permanent bar to admissibility on anyone who uses fraud or misrepresents a material fact to obtain an immigration benefit, and that bar can apply even when the applicant was a victim of a fraudulent preparer and did not intend to deceive anyone.²⁵

The most common scam involves people calling themselves “notarios” or immigration consultants. In many Latin American countries, a “notario público” is a legal professional with authority similar to a lawyer. In the U.S., a notary public simply witnesses signatures and has no legal training or authority to give immigration advice.²⁶ Warning signs of fraud include someone who claims special connections to the government, asks you to sign blank forms, guarantees a specific outcome, or charges money for filing fees without actually submitting your application.

Only a licensed attorney or a Department of Justice-accredited representative working for a DOJ-recognized organization can legally give immigration advice. The DOJ’s Executive Office for Immigration Review keeps a public list of free and low-cost legal service providers organized by immigration court location.²⁷ For anyone who cannot afford a private attorney, that list is the safest place to start.

1
U.S. Citizenship and Immigration Services. Green Card for Immediate Relatives of U.S. Citizen
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U.S. Citizenship and Immigration Services. I-130, Petition for Alien Relative
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U.S. Citizenship and Immigration Services. Visa Availability and Priority Dates
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U.S. Citizenship and Immigration Services. Adjustment of Status
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U.S. Citizenship and Immigration Services. Unlawful Presence and Inadmissibility
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U.S. Citizenship and Immigration Services. Application for Provisional Unlawful Presence Waiver
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U.S. Citizenship and Immigration Services. I-589, Application for Asylum and for Withholding of Removal
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U.S. Citizenship and Immigration Services. Form I-589, Instructions for Application for Asylum and for Withholding of Removal
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U.S. Citizenship and Immigration Services. Green Card for Asylees
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U.S. Citizenship and Immigration Services. I-765, Application for Employment Authorization
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U.S. Department of Homeland Security. Guide to Asylum, Withholding of Removal, and CAT
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U.S. Citizenship and Immigration Services. Instructions for Supplement B, U Nonimmigrant Status Certification
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U.S. Citizenship and Immigration Services. I-918, Petition for U Nonimmigrant Status
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U.S. Citizenship and Immigration Services. Victims of Human Trafficking, T Nonimmigrant Status
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U.S. Citizenship and Immigration Services. Abused Spouses, Children and Parents
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U.S. Citizenship and Immigration Services. Eligibility Requirements and Evidence
17
U.S. Citizenship and Immigration Services. Chapter 2 – Eligibility Requirements
18
U.S. Citizenship and Immigration Services. Discretionary Options for Military Members, Enlistees and Their Families
19
Office of the Law Revision Counsel. 8 USC 1229b – Cancellation of Removal; Adjustment of Status
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Office of the Law Revision Counsel. 8 USC 1259 – Record of Admission for Permanent Residence in the Case of Certain Aliens Who Entered the United States Prior to January 1, 1972
21
U.S. Department of State. Employment-Based Immigrant Visas
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U.S. Citizenship and Immigration Services. Green Card through INA 245(i) Adjustment
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U.S. Citizenship and Immigration Services. Consideration of Deferred Action for Childhood Arrivals (DACA)
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U.S. Citizenship and Immigration Services. Temporary Protected Status
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U.S. Citizenship and Immigration Services. Overview of Fraud and Willful Misrepresentation
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U.S. Citizenship and Immigration Services. The Unauthorized Practice of Immigration Law
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U.S. Department of Justice. List of Pro Bono Legal Service Providers