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The issue of visa overstays and their contribution to the undocumented population.
California, Texas, Florida, New York, New Jersey and Illinois together held the largest shares of the U.S. unauthorized (undocumented) population in recent estimates, accounting for roughly half to mo...
Current official data show at near-historic lows: encounter counts have fallen to monthly and daily figures not seen in decades, with agencies reporting averages under 10,000 apprehensions per month a...
Available government and academic estimates do not produce a single, undisputed tally of how many people “entered illegally” between 2009 and 2016; instead, the literature shows that illegal border cr...
The best available estimates put the number of people who joined the U.S. unauthorized population during Barack Obama’s two terms in the low millions, but the exact figure depends on the data source a...
The balance of evidence in the reporting shows that were the dominant source of new unauthorized residents for many years before 2021, but the post‑2021 surge undocumented population reflects an unusu...
A narrow set of immigration categories lets a person who entered lawfully remain in the United States and apply to adjust to lawful permanent resident status despite having overstayed: primarily immed...
The balance between people who enter the “without inspection” (illegal border entries) and those who become undocumented by overstaying visas has shifted over the last two decades, with several author...
When are reweighted to account for , , and interior-initiated removals, the picture changes: fiscal-year 2025 saw far fewer recorded border encounters than the prior year—about 444,000—while independe...
A preponderance of recent research finds that have become an equal or larger source of net additions to the unauthorized population than entries without inspection (EWI) since the mid‑2010s, but the e...