Tijuana is the 45th largest city in the Americas and is one of the westernmost cities in Mexico. The Tijuana metropolitan area was the fifth-largest in Mexico. Tijuana is the second most populous city in Mexico and center of the 6th-largest metro area in Mexico, The city is one of the fastest-growing metro areas in the country and rated as a “High Sufficiency” global city by the Globalization and World Cities Research Network.

Tijuana is a dominant manufacturing center for North America, hosting facilities of many multinational conglomerate companies. In the early 21st century, Tijuana has emerged as the medical device manufacturing capital of North America and is increasingly recognized as an important cultural Mecca for the border region of The Californias. The city is the most visited border city in the world, sharing a border of about 24 km (15 mi) with its sister city San Diego. More than fifty million people cross the border between these two cities every year.

These fascinating color photos from Evan Morgan that captured street scenes of Tijuana in the 1950s and 1960s.