The world largest population cluster is

South Asia is the largest cluster of people in the world. Countries like India Pakistan Bangladesh Nepal and Sri Lanka together host nearly two billion people. India alone has a population over one billion which makes this region the most crowded on the planet. This creates both opportunities and challenges such as economic growth potential and strain on resources. Understanding population distribution is important for planning trade investment and global policies. South Asia role in world economy continues to grow due to its massive population.