Literature in Iran
Persian is Iran's official language and the language of the country's ethnic majority (i.e., the Persians), and Persian literature has been the country's most influential literary tradition. Apart from Iran, Persian literature was used and developed further through several medieval Persianate societies in Asia Minor, Central Asia, and South Asia, and the language is still used widely in Central Asia (Tajikistan and Uzbekistan) and Afghanistan.
Languages of Iran
Different publications have reported different statistics for the languages of Iran. There have been some limited censuses taken in Iran in 2001, 1991, 1986 and 1949–1954.
The following are the languages with the greatest number of speakers (data from the CIA World Factbook):