Atlas of Urban Expansion

Population

The Population of Tehran in 2010 was 9,675,929, increasing at an average annual rate of 1.9% since 2000. The population of Tehran in 2000 was 8,025,064, increasing at an average annual rate of 2.7% since 1991, when its population was 6,254,309.

Urban Extent

The Urban Extent of Tehran in 2010 was 78,398 hectares, increasing at an average annual rate of 2.4% since 2000. The urban extent in 2000 was 62,005 hectares, increasing at an average annual rate of 3% since 1991, when its urban extent was 47,103 hectares.

• 1991
• 2000
• 2010

•  
• Urban Extent
• Urban Built-up
• Suburban Built-up
• Rural Built-up
• Urbanized Open Space
•  
• Exurban Area
• Exurban Built-Up Area
• Exurban Open Space
•  
• Rural Open Space
• Rural Open Space

Density

Built-up Area Density in Tehran in 2010 was 158 persons per hectare, decreasing at an average annual rate of -0.7% since 2000. The built-up area density in 2000 was 169 persons per hectare, decreasing at an average annual rate of -1.5% since 1991 when the built-up area density was 194.55 persons per hectare.

The Urban Extent Density in Tehran in 2010 was 123 persons per hectare, decreasing at an average annual rate of -0.5% since 2000. The urban extent density in 2000 was 129 persons per hectare, decreasing at an average annual rate of -0.3% since 1991 when the urban extent density was 133 persons per hectare.

Composition of Added Area

A total of 13,938 hectares of built-up area was added to the Tehran urban extent between 2000 and 2010. Of that added built-up area, 32% was Infill, 30% was Extension, 16% was Leapfrog, and 21% was Inclusion. A total of 15,280 hectares of built-up area was added to the urban extent between 1991 and 2000. Of that added built-up area, 48% was Infill, 30% was Extension, 2% was Leapfrog, and 20% was Inclusion.

• 1991–2000
• 2000–2010

• Built-up Area
  1991
• Infill
• Extension
• Leapfrog
• Inclusion

Roads

Average road width in the Tehran 1990-2014 expansion area was 9.49 meters, compared to 11.21 meters in its pre-1990 area.

The share of built-up area in Tehran occupied by roads in the 1990-2014 expansion area was 28%, compared to 22% in the pre-1990 area.

• Pre 1990
• 1990 – 2014

Arterial Roads

The density of arterial roads in Tehran's 1990-2014 expansion was 1.9 km/km2, compared to 2.36 km/km2 in its pre-1990 area.

The share of built-up area within walking distance of an arterial road in Tehran's 1990-2014 expansion area was 91%, compared to 96% in the pre-1990 area.

• 1991
• 2010

Blocks and Plots

Average block size in Tehran's 1990-2014 expansion area was 4.2 hectares, compared to 4.1 hectares in its pre-1990 area.

• Pre 1990
• 1990 – 2014