US migrant enforcement and demographic shifts

The landscape of undocumented migration in the United States is undergoing significant shifts in both demographics and enforcement. Data indicates that while the total undocumented population reached 15.7 million in 2024, the proportion of Mexican nationals has declined from 62 percent in 2010 to 35 percent, with growth now primarily driven by Central and South American countries.

Enforcement actions have intensified under the second Trump administration. Migrant detentions reached a record high of approximately 50,000 arrests in July, up from 43,000 in June. Department of Homeland Security Secretary Markwayne Mullin has signaled a commitment to intensify street-level pressure. Experts attribute this surge to increased recruitment funding, decentralized operations, and a slowdown in regularization processes. These operations have faced criticism following reports of fatalities involving federal agents in Texas, Maine, and Minneapolis.

Deportation strategies for Mexican nationals have shifted toward long-distance repatriation. In June, 89 percent of deportees were flown to southern Mexican states such as Yucatán, Tabasco, and Chiapas, while border cities like Ciudad Juárez received only 0.5 percent of the 15,633 people returned that month.

In southern Mexico, these policies have created new vulnerabilities. Officials from the Institute for the Development of Mayan Culture (Indemaya) report that an average of three people from Yucatán are deported monthly. Migrants in these regions face threats from “bounty hunters” employed by private security firms who allegedly pose as civilians to capture individuals, as well as extortion and fraud by “coyotes” promising fraudulent legal regularization. Meanwhile, members of the “Sueños sin fronteras” caravan, including those previously deported or returned to Tapachula, are attempting to navigate Mexico to find employment and legal status.