San Diego-Tijuana

San Diego-Tijuana has grown in recent decades to become the largest trans-border metropolitan area between the United States and Mexico. The population of the region, about 3 million in the mid-1980s, is now more than 5.3 million. Ports of entry have also expanded, allowing more than 50 million people to cross the border every year — the busiest land-border crossing in the world.

32.538862°, -117.058973°

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