The most populated city in the world varies depending on the metric used to measure population. According to the data, Tokyo, Japan, is often considered the most populated city. It has a population of 37.7 million in its urban area
. Other highly populated cities include Jakarta, Indonesia, with 33.8 million people in its urban area, and Delhi, India, with 32.2 million people in its urban area
. These figures are based on the populations within the urban areas of these cities, which are contiguous, built-up areas functioning as integrated economic units
