how many borders are there between us and mexico
Mexico–United States border The Mexico–United States border is an international border separating Mexico and the United States, extending from the Pacific Ocean to the west and Gulf of Mexico to the east. The border traverses a variety of terrains, ranging from major urban areas to uninhabitable deserts. Approximately 350 million legal crossings occur annually,[1][2] and is the most frequently crossed border in the world.[3][1][4]
Mexico–United States barrier In September 2017, the U.S. government announced the start of construction of eight prototype barriers made from concrete and other materials.[51][52] On June 3, 2018 the San Diego section of the US border wall construction began. [53]