Iran has a variable
climate. In the northwest, winters are cold with heavy snowfall and
subfreezing temperatures during December and January. Spring and fall
are relatively mild, while summers are dry and hot. In the south,
winters are mild and the summers are very hot, having average daily
temperatures in July exceeding 38C. On the Khuzestan plain, summer heat
is accompanied by high humidity.
The official language of
Iran is Persian. It is the language of government and public instruction
and is the mother tongue of half of the population. Persian is spoken as
a second language by a large proportion of the rest.
The rial, denoted by IRR, is the official currency of Iran. The currency
officially consists of 100 dinars, however because the rial is so small
in current days, no fraction of the currency is used in accounting
The Population in Iran was reported at 74.10 millions persons in 2009,
according to the International Monetary Fund (IMF). In 2015, Iran's
Population is expected to be 81.92 millions persons. In 2009, Iran's
economy share of world total GDP, adjusted by Purchasing Power Parity,
was 1.19 percent. In 2015, Iran's share of world total GDP is forecasted
to be 1.11 percent. This page includes a chart, historical data and
forecast for Iran's Population.
Tehran is the capital of Iran (I.R.) and Tehran Province. With a
population of 8, 429, 807; it is also Iran's largest urban area and
city, one of the largest cities in Western Asia, and is the world's 19th