EghtesadOnline: Tehran with 969.2 people and Semnan with 7.2 living in each square kilometer are the most and least populated provinces in Iran respectively, the findings of the recent National Population and Housing Census show.

EghtesadOnline: The recent National Population and Housing Census, conducted nationwide, showed Hamedan and North Khorasan provinces recorded negative population growths compared with the previous round of census conducted in the Iranian year March 2011-12.

EghtesadPnline: The recent National Population and Housing Census shows that the median age of the Iranian population has risen to 31.1 years.