For millions of Mexican families, a trip to the United States is not tourism in the ordinary sense. It may mean spending time with children in Texas, helping a daughter after a baby is born in California, attending a graduation in Arizona or staying with a son recovering from surgery in Chicago.
Those ties are unusually deep. Roughly 40 million people of Mexican origin now live in the United States, and U.S. immigration law expressly allows B-2 visitors to travel to see family and friends.
The shifting landscape of B-visas
One of the most difficult questions in visitor-visa law is also one of the most human: When does a family visit stop looking temporary and begin to look like residence?
That question is becoming more important for Mexican travelers. The State Department’s adjusted B-visa refusal rate for Mexican nationals rose to 21.36% in fiscal year 2025, up from 13.87% the previous year.
Since October 2025, the State Department has also generally required applicants under 14 and over 79 to appear for an in-person nonimmigrant-visa interview, subject to limited exceptions.
That latter change matters especially to families. A Mexican grandmother hoping to spend time with grandchildren in Houston may now face more scrutiny before the trip even begins.
There is no rule stating that someone admitted to the U.S. for six months has been invited to live in the country for six months every year. Nor does leaving for several weeks automatically reset the clock.
What constitutes a temporary visit?
A B-2 visa is for a temporary visit. Each admission is considered separately, and the fact that U.S. Customs and Border Protection (CBP) allowed a lengthy stay once does not promise the same result the next time.
Imagine a retired mother from Guadalajara who spends four months in Dallas after her daughter gives birth. She returns to Mexico for six weeks and then flies back for another four months because her daughter still needs help.
Her explanation may be entirely genuine. She may own her home in Guadalajara, receive her pension there and have no intention of immigrating. But the CBP officer sees another fact: For much of the year, she has spent more time in the United States than in Mexico.
The officer may reasonably ask where she actually lives.
Why legitimate travel may not always look legitimate
That does not make long visits unlawful. A parent caring for a seriously ill child may have a perfectly legitimate reason to stay for months. There is also no rule requiring visitors to spend twice as much time in Mexico as in the U.S.
What matters is the larger pattern: how frequently the person travels, how long the stays last, whether a genuine home and life remain in Mexico, and whether each trip is actually temporary.
This is where immigration law can collide with completely ordinary Mexican family life.
There is nothing suspicious about a grandmother cooking meals, helping after a new baby arrives or spending time with grandchildren. Ordinary family assistance does not automatically turn a visitor into an unauthorized worker.
But if someone spends month after month in the U.S., returns briefly to Mexico and then comes back to resume the same arrangement, the larger issue may become whether the U.S. has effectively become a second residence.
Words can matter as well. A retired parent may casually say, “I live with my daughter in Houston half the year.” To the family, that may simply describe retirement. To an immigration officer, the words “I live in Houston” can raise the precise issue a visitor visa is designed to avoid.
Owning property in the U.S. is not automatically prohibited. Neither is having American children, grandchildren or bank accounts. But when those circumstances are combined with repeated lengthy stays, immigration officers may look more closely at where the traveler’s real life is based.
Visiting the US while obtaining a green card
Families sometimes make the opposite mistake when an immigrant petition has been filed. They assume that once a U.S. citizen child or spouse begins the green-card process, the Mexican beneficiary can no longer visit at all.
That is not automatically true.
The State Department’s own Foreign Affairs Manual recognizes that visitor visas may be issued even when an immigrant petition or immigrant-visa application is pending, provided the person can establish that the immediate trip is temporary.
Wanting to immigrate legally in the future does not necessarily mean someone intends to remain unlawfully today.
A Mexican mother waiting for an immigrant visa may still want to attend a granddaughter’s birthday in Chicago. A spouse waiting for consular processing may have a legitimate reason to temporarily visit a husband or wife. But the pending immigration case gives the government an obvious reason to examine whether this particular trip will really end with a return to Mexico.
Telling the truth about your travel history
The traveler should also assume that the government can see a history of prior entries and departures. Foreign visitors can themselves retrieve recent arrival and departure information through CBP’s I-94 system, so repeated lengthy stays are hardly invisible.
In appropriate circumstances, CBP can also search phones and other electronic devices during a border inspection. Most travelers will never experience such a search, but a phone or social media account describing a “move to Texas” can create obvious problems if the person tells an officer the trip is nothing more than a short family visit.
The answer is not to erase a phone or invent a better story. It is to tell the truth and make sure the truth supports temporary travel.
Most Mexican visitors who receive additional questioning are ultimately admitted. But when CBP concludes that someone is using a visitor visa to live in the U.S., the consequences can extend far beyond a missed vacation.
Depending on the facts, a visa may be canceled, a traveler may be allowed to withdraw the application for admission and return to Mexico, or a more serious immigration action may follow.
That is why someone who has already been warned about lengthy stays, refused admission or had a visa canceled should not simply try another airport or land crossing hoping for a different answer. The next inspection does not necessarily begin with a clean slate.
When family life collides with immigration policies
None of this means Mexican parents and grandparents should become afraid to visit their families.
Family visits are a legitimate use of a B-2 visa. The difficulty is that behavior that feels completely natural within a family can gradually collide with an immigration category built around temporary presence.
A daughter has a baby. A son becomes ill. Parents retire. Grandchildren grow up. The natural instinct is to spend more time together, particularly when Mexico and the U.S. are separated by little more than a flight or a drive.
But a visitor visa is not a residence permit, nor is it a substitute for the family-based immigration process.
With Mexico’s visitor-visa refusal rate rising and older applicants generally facing in-person interviews again, families should think about that distinction before an immigration officer asks them to explain it.
There is no magic number of days that guarantees a traveler will have no problem. The better question is much simpler: Is this genuinely a visit, and does the traveler still have a real life to return to in Mexico?
A tourist visa can connect Mexican families across the border for many years. Understanding where a visit ends and residence begins is one of the best ways to protect it.
Richard T. Herman is an award-winning U.S. immigration attorney and founder of Herman Legal Group. He has practiced immigration law for more than 30 years and is the co-author of “Immigrant, Inc.: Why Immigrant Entrepreneurs Are Driving the New Economy.” He writes about various immigration law topics, including tourist visas, student visas, work visas and immigration enforcement.
