Services include schools and colleges, hospitals, and plenty of places to have fun. Urban residents love their museums, parks, restaurants, stadiums, and theaters. Social options abound. Sometimes people seek relationships with those who share their beliefs, backgrounds, or interests. Within a population of millions, it’s easy to find enough like-minded folks to form specialized mini communities. On the other hand, many people enjoy relationships with those who are quite different from themselves. Cities offer cultural richness and diverse experiences not available in less populated areas.
As the world’s urban areas continue to grow, some will become grossly huge in size.