Atlas of Urban Expansion

Population

The Population of Sana in 2014 was 2,258,322, increasing at an average annual rate of 2.8% since 2000. The population of Sana in 2000 was 1,513,993, increasing at an average annual rate of 4.6% since 1989, when its population was 929,646.

Urban Extent

The Urban Extent of Sana in 2014 was 36,390 hectares, increasing at an average annual rate of 5.6% since 2000. The urban extent in 2000 was 16,236 hectares, increasing at an average annual rate of 2% since 1989, when its urban extent was 13,100 hectares.

• 1989
• 2000
• 2014

•  
• 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 Sana in 2014 was 102 persons per hectare, decreasing at an average annual rate of -0.7% since 2000. The built-up area density in 2000 was 112 persons per hectare, increasing at an average annual rate of 0.8% since 1989 when the built-up area density was 102.71 persons per hectare.

The Urban Extent Density in Sana in 2014 was 62 persons per hectare, decreasing at an average annual rate of -2.8% since 2000. The urban extent density in 2000 was 93 persons per hectare, increasing at an average annual rate of 2.6% since 1989 when the urban extent density was 71 persons per hectare.

Composition of Added Area

A total of 8,645 hectares of built-up area was added to the Sana urban extent between 2000 and 2014. Of that added built-up area, 2% was Infill, 81% was Extension, 0% was Leapfrog, and 17% was Inclusion. A total of 4,416 hectares of built-up area was added to the urban extent between 1989 and 2000. Of that added built-up area, 47% was Infill, 42% was Extension, 3% was Leapfrog, and 8% was Inclusion.

• 1989–2000
• 2000–2014

• Built-up Area
  1989
• Infill
• Extension
• Leapfrog
• Inclusion

Roads

Average road width in the Sana 1990-2014 expansion area was 7.79 meters, compared to 10.67 meters in its pre-1990 area.

The share of built-up area in Sana occupied by roads in the 1990-2014 expansion area was 28%, compared to 29% in the pre-1990 area.

• Pre 1990
• 1990 – 2014

Arterial Roads

The density of arterial roads in Sana's 1990-2014 expansion was 0.96 km/km2, compared to 2.25 km/km2 in its pre-1990 area.

The share of built-up area within walking distance of an arterial road in Sana's 1990-2014 expansion area was 70%, compared to 92% in the pre-1990 area.

• 1989
• 2014

Blocks and Plots

Average block size in Sana's 1990-2014 expansion area was 3.5 hectares, compared to 2.3 hectares in its pre-1990 area.

• Pre 1990
• 1990 – 2014