Mexico in Numbers: 10 facts about the Mexico-US border

The Mexico-U.S. border spans 3,145 kilometers, ranking 10th among the world's longest international land borders. It connects six Mexican states and four U.S. states, with 50 official crossings and significant trade activity, including 7.58 million trucks and 76.05 million personal vehicles entering the U.S. from Mexico in 2025. Migrant encounters at the border dropped by 84.5% in fiscal 2025 to 237,538.