What is the population of Tokyo Metropolis?

Tokyo Metropolis has a population of approximately 13.2 million people. This figure refers specifically to the population within the city's administrative boundaries known as Tokyo Metropolis, which is a unique entity that includes 23 special wards, multiple cities, towns, and villages.

Understanding the population size of Tokyo is crucial, as it is the most populous metropolitan area in Japan and one of the largest urban centers globally. The city's population can fluctuate slightly due to factors such as migration and demographic changes, but as of the most recent data up to October 2023, 13.2 million remains a reliable figure. This context is important for grasping Tokyo's significance in terms of urban planning, infrastructure, and economic activities, making this answer a key datum for studies related to Tokyo or Japan’s urbanization trends.