Major cities - population: 9.259 million TEHRAN (capital), 3.264 million Mashhad, 2.177 million Esfahan, 1.675 million Shiraz, 1.627 million Tabriz, 1.582 million Karaj (2021)
Definition: This entry provides the population of the capital and up to six major cities defined as urban agglomerations with populations of at least 750,000 people. An urban agglomeration is defined as comprising the city or town proper and also the suburban fringe or thickly settled territory lying outside of, but adjacent to, the boundaries of the city. For smaller countries, lacking urban centers of 750,000 or more, only the population of the capital is presented.
Source: CIA World Factbook - This page was last updated on Saturday, September 18, 2021