The most densely populated city in the world is Dhaka, the capital of Bangladesh. It has experienced rapid urbanization, with millions of people moving from rural areas in search of better opportunities, creating a significant population density. As of 2021, estimates suggested that Dhaka had a population density of around 44,000 people per square kilometer, making it one of the most crowded cities globally. The city's infrastructure struggles to keep up with the growing population, leading to issues such as traffic congestion, inadequate housing, and challenges in public services.