Official name

 Islamic Republic of Iran 

 Head of State

 President H.E. Dr. Hassan Rouhani

 National Day

 11th of February (Islamic Revolution of Iran-1979)

 Capital

  Tehran

 Area

 1,648,196 sq km

 Land boundaries 4,137 km
 Sea boundaries 2,700 km (Including the Caspian Sea)
 River boundaries 1,918 km
 Border countries Afghanistan, Azerbaijan (Nakhichevan), Armenia, Iraq, Pakistan, Turkey, Turkmenistan
 Climate

 Mostly arid or semi-arid, temperate along Caspian coast and mountainous temperate along west and north-west.

 Natural resources Petroleum,  natural  gas, coal, chromium, copper, iron ore, lead, manganese, zinc, sulfur 
 Land use (1998): 
 Arable land 300,000 sq. Km                  18.2%
 Meadows and pastures 900,000 sq. Km                   54.6%
 Forest and woodland 120,000 sq. Km                     7.3%
 Other 258,000 sq. Km                   15.7%
 Irrigated land 70,000 sq. Km                       4.2%     
Agricultural products Wheat, rice, barley, potato, grains, sugar-beet, cotton, fresh & dried fruits, dates, pistachio, fruits, nuts,  poultry, meat, dairy products, wool; caviar, flowers and medicinal plants.
 Population79.109.272 million (2015)
 Population growth rate 1.2% (2015)
 Religions

 

Muslim                                              99.56%

Zoroastrian, Christian & Jewish              0.44%

Languages  Persian and Persian dialects, Azeri, Kurdish, Lori, Baloochi, Arabic
Literacy (2011) Total      84.2%
 CurrencyRial (IRR)
GDP  425.3 billion US$ (2015)
GDP per capita5516 US$ (2015)
 GDP growth rate4.3 % (2015)
 Total Imports41.800  million US $ (2015) 
 Total Exports63.100 million US $ (2015)
Foreign Direct Investment  2.050 million US $ (2015)
 IndustriesOil and gas, steel, aluminum, copper, electric and electronic equipment, cement & other building materials, metallurgy, home appliances, iron, textile, rugs and carpets, tapestry, miniature, ceramic, food processing (particularly sugar refining & vegetable oil production), petrochemicals, and car manufacturing & assemblies 
Electricity Production: 329.7 bilion kwh  (2015) 
 Transportation: 
 Railways networks 8.442 km - Rank 24 (2015) in the world
 Road networks 198.866km - Rank 26(2015) in the world
 Ports 11 commercial ports
 Airports 54