Many urban areas offer a high quality of life.
They earn high marks when measured by the usual economic and social indicators. Yet, some cities rise above the others, achieving distinction on a higher plane. They are world-class cities that enjoy a special image in the eyes of billions of people. Their assets and achievements are known and recognized by leaders in government, science, the arts, and business. They attract people from around the world and make visitors feel comfortable by showing respect for their varied languages, customs, and cultures.