Atlas of Urban Expansion

Population

The Population of Chengdu, Sichuan in 2009 was 9,339,734, increasing at an average annual rate of 6.8% since 2000. The population of Chengdu, Sichuan in 2000 was 5,117,629, increasing at an average annual rate of 7.7% since 1988, when its population was 2,019,420.

Urban Extent

The Urban Extent of Chengdu, Sichuan in 2009 was 167,680 hectares, increasing at an average annual rate of 13% since 2000. The urban extent in 2000 was 53,140 hectares, increasing at an average annual rate of 11% since 1988, when its urban extent was 14,194 hectares.

• 1988
• 2000
• 2009

•  
• 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 Chengdu, Sichuan in 2009 was 81 persons per hectare, decreasing at an average annual rate of -6.2% since 2000. The built-up area density in 2000 was 141 persons per hectare, decreasing at an average annual rate of -2.8% since 1988 when the built-up area density was 197.18 persons per hectare.

The Urban Extent Density in Chengdu, Sichuan in 2009 was 56 persons per hectare, decreasing at an average annual rate of -6.2% since 2000. The urban extent density in 2000 was 96 persons per hectare, decreasing at an average annual rate of -3.3% since 1988 when the urban extent density was 142 persons per hectare.

Composition of Added Area

A total of 78,501 hectares of built-up area was added to the Chengdu, Sichuan urban extent between 2000 and 2009. Of that added built-up area, 13% was Infill, 69% was Extension, 0% was Leapfrog, and 18% was Inclusion. A total of 26,149 hectares of built-up area was added to the urban extent between 1988 and 2000. Of that added built-up area, 14% was Infill, 64% was Extension, 0% was Leapfrog, and 22% was Inclusion.

• 1988–2000
• 2000–2009

• Built-up Area
  1988
• Infill
• Extension
• Leapfrog
• Inclusion

Roads

Average road width in the Chengdu, Sichuan 1990-2014 expansion area was 9.37 meters, compared to 8.86 meters in its pre-1990 area.

The share of built-up area in Chengdu, Sichuan occupied by roads in the 1990-2014 expansion area was 21%, compared to 25% in the pre-1990 area.

• Pre 1990
• 1990 – 2014

Arterial Roads

The density of arterial roads in Chengdu, Sichuan's 1990-2014 expansion was 0.44 km/km2, compared to 2.46 km/km2 in its pre-1990 area.

The share of built-up area within walking distance of an arterial road in Chengdu, Sichuan's 1990-2014 expansion area was 31%, compared to 98% in the pre-1990 area.

• 1988
• 2009

Blocks and Plots

Average block size in Chengdu, Sichuan's 1990-2014 expansion area was 8 hectares, compared to 3.4 hectares in its pre-1990 area.

• Pre 1990
• 1990 – 2014