Atlas of Urban Expansion

Chengdu, Sichuan
China
Region: East Asia and the Pacific
2009 Population
9,339,734
2009 Urban Extent
167,680
hectares
2009 Density
56
persons/hectare
Areas and Densities
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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 2000, when its urban extent was 14,194 hectares.

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  • Urban Extent
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  • Exurban Area
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  • 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.

Blocks and Roads
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Roads

Average road width in the Chengdu, Sichuan 1990-2014 expansion area was 9.37 meters, compared to 8.72 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 16% in the pre-1990 area.

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.

1988-2000  2000-2009
1988-2000  2000-2009
1988-2000  2000-2009

Blocks and Plots

Average block size in Chengdu, Sichuan's 1990-2014 expansion area was 3.71 hectares, compared to 8 hectares in its pre-1990 area.

1988-2000  2000-2009