During the 2024-25 fiscal year, U.S. officials seized 35 kilograms of fentanyl along the Canada-U.S. border, compared to 5,215 kilograms at the Mexican-American border. In the first part of 2025-26 fiscal year, U.S. Border Patrol officers seized just 2.7 kilograms of fentanyl along the Canadian border, while nabbing nearly 1,000 times as much along the U.S.-Mexico border (2,630 kilograms).