Different publications have reported different statistics for the languages of Iran; There have been some limited census 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):

According to the Kurdish-Belgian-American scholar Mehrdad Izady whose work can be found at Columbia University School of International and Public Affairs, Gulf 2000 Project website, the Iranian census of 2001 mentions that 68% speak Persian as first language, while he himself gives the following figures:

A census taken in the Iranian month of Mordad (July 21 – August 21) in 1991. In this census, all 49,588 mothers who gave birth in the country, were issued birth certificates. They were asked about their mother-tongue.

The break down: 46.2% (Persian), 20.6% (Azeri-Turkish), 10% Kurdish, 8.9% Luri, 7.2% Gilaki and Mazandarani, 3.5% Arabic, 2.7% Baluchi, 0.6% Turkmen, 0.1% Armenian, and 0.2% Others.

A recent survey by the US based organization "Terror Free Tommorow" with error is +/- 3.1 percent margin and uniform sampling based on provincial populations mentions the breakdown as following

Coordinates: 32°N 53°E / 32°N 53°E / 32; 53

Iran (ⁱ/ɪˈrɑːn/ or /aɪˈræn/;Persian: ایران‎ [ʔiˈɾɒn] ( listen)), officially the Islamic Republic of Iran (Persian: جمهوری اسلامی ایران‎ Jomhuri-ye Eslāmi-ye Irān), is a country in Southern and Western Asia. The name "Iran", which in Persian means "Land of the Aryans", has been in use natively since the Sassanian era. It came into use internationally in 1935, before which the country was known to the Western world as Persia ( /ˈpɜrʒə/ or /ˈpɜrʃə/). Both "Persia" and "Iran" are used interchangeably in cultural contexts; however, "Iran" is the name used officially in political contexts.

The 18th-largest country in the world in terms of area at 1,648,195 km² (636,372 sq mi), Iran has a population of around 79 million. It is a country of particular geopolitical significance owing to its location in the Middle East and central Eurasia. Iran is bordered on the north by Armenia, Azerbaijan and Turkmenistan. As Iran is a littoral state of the Caspian Sea, which is an inland sea, Kazakhstan and Russia are also Iran's direct neighbors to the north. Iran is bordered on the east by Afghanistan and Pakistan, on the south by the Persian Gulf and the Gulf of Oman, on the west by Iraq and on the northwest by Turkey. Tehran is the capital, the country's largest city and the political, cultural, commercial and industrial center of the nation. Iran is a regional power, and holds an important position in international energy security and world economy as a result of its large reserves of petroleum and natural gas. Iran has the second largest proven natural gas reserves in the world and the fourth largest proven petroleum reserves.

The Iranian peoples (Iranic peoples) are an Indo-European ethnic-linguistic group that comprise the speakers of Iranian languages, a major branch of the Indo-European language family, as such forming a branch of the Indo-European-speaking peoples. Their historical areas of settlement were on the Iranian plateau, and comprised most of Iran and certain areas of Central Asia such as Tajikistan and Uzbekistan and most of Afghanistan, some parts of western Pakistan, northern Iraq and eastern Turkey, and scattered parts of the Caucasus Mountains. Their current distribution spreads across the Iranian plateau, and stretches from Pakistan's Indus River in the east to eastern Turkey in the west, and from Central Asia and the Caucasus in the north to the Persian Gulf in the south – a region that is sometimes called the Iranian cultural continent, or Greater Persia by scholars, and represents the extent of the Iranian languages and influence of the Persian People, through the geopolitical reach of the Persian empire.

Riza Abbasi, Riza yi-Abbasi or Reza-e Abbasi, رضا عباسی in Persian, usually "Riza" or Reza Abbasi also Aqa Riza (but see below) or Āqā Riżā Kāshānī (c. 1565–1635) was the leading Persian miniaturist of the Isfahan School during the later Safavid period, spending most of his career working for Shah Abbas I. He is considered to be the last great master of the Persian miniature, best known for his single miniatures for muraqqa or albums, especially single figures of beautiful youths.

Riza was possibly born in Kashan, as Āqā Riżā Kāshānī is one of the versions of his name; it has also been suggested that he was born in Mashad, where his father, the miniature artist Ali Asghar, is recorded as having worked in the atelier of the governor, Prince Ibrahim Mirza. After Ibrahim's murder, Ali Asghar joined Shah Ismail II's workshop in the capital Qasvin. Riza probably received his training from his father and joined the workshop of Shah Abbas I at a young age. By this date, the number of royal commissions for illustrated books had diminished, and album miniatures had to a considerable extent replaced them in giving employment to the artists of the royal workshop.