For monthly US Border Patrol migrant encounters since October 1999, May 2024 (latest month available) was number 59. Number 1 was December 2023 (249,739). Number 296 was April 2017.
Chart: Monthly U.S.-Mexico Border Patrol Apprehensions by Sector May 2024: Tucson Sector 28% Rio Grande Valley Sector 7% San Diego Sector 28% El Paso Sector 20% Del Rio Sector 9% Yuma Sector 5% Laredo Sector 3% El Centro Sector 1% Big Bend Sector 1% Total since October 1999: Tucson Sector 28% Rio Grande Valley Sector 19% San Diego Sector 12% El Paso Sector 11% Del Rio Sector 10% Yuma Sector 7% Laredo Sector 6% El Centro Sector 6% Big Bend Sector 1%

  • May 2024 (latest month available) was number 59.
  • Number 1 was December 2023 (249,739).
  • Number 296 was April 2017 (11,127, migrants and smugglers were in a temporary “wait and see” mode after Donald Trump’s inauguration).

Chart – Data Table – Sources (1) (2)