Tokyo Metropolitan Area

The world's most populous metropolitan area with 37 million residents/Cities & Urban

The Greater Tokyo Area (Tokyo-Yokohama metropolitan area) is the most populous metropolitan area in the world, home to approximately 37.4 million people across 13,572 square kilometers. The Tokyo Metropolis proper covers 2,194 square kilometers. The area includes 23 special wards, 26 cities, and the dense urban corridor stretching through Yokohama, Kawasaki, and Saitama. Tokyo's GDP exceeds that of many countries, and its rail system handles over 40 million passenger trips per day, making it the busiest in the world.