Basic Statistics on Urban Public Utilities
(Data have covered public utilities of all urban units)
Item 1990 1995 2000 2002 2003 2004
Urban Areas and Floor Space of
Buildings

           
Developed Areas (sq.m) 12856 19264 22439 25973 28308 30000
Population Density of Urban Districts
(persons/sq.km)
279 322 442 754 847  
Total Floor Space of Buildings (year-end)
(100 million sq.m)
39.8 57.3 76.6 131.8 140.9  
Total Floor Space of Residential Buildings
(year-end) (100 million sq.m)
20.0 31.0 44.1 81.8 89.1  
Water Supply, Gas Supply and Heating            
Annual Supply of Tap Water
(100 million tons)
382.3 481.6 469.0 466.5 475.3 489.0
  Water Consumption for Residential Use 100.1 158.1 200.0 213.2 224.7  
Per- capita Water Consumption for
Residential Use (ton)
67.9 71.3 95.5 77.8 77.1  
Percentage of Population With Access to
Tap Water (%)
48.0 58.7 63.9 77.9 86.2 88.8
Coal Gas Supply (100 million cu.m) 174.7 126.7 152.4 198.9 202.1  
  Consumption of Coal Gas for Residential
Use
27.4 45.7 63.1 49.0 58.4  
Natural Gas Supply (100 million cu.m) 64.2 67.3 82.1 125.9 141.6  
  Consumption of Coal Gas for
Residential Use
11.6 16.4 24.8 35.0 37.5  
Liquefied Petroleum Gas (10000 ton) 219.0 488.7 1053.7 1136.4 1126.3 1122.4
  Consumption of Liquefied Gas for
Residential Use (10000 ton)
142.8 370.2 532.3 656.2 781.7  
Length of Gas Pipelines (10000 km) 2.4 4.4 8.9 11.4 13.0  
Percentage of Population With
Access to Gas (%)
19.1 34.3 45.4 67.2 76.7 81.5
Area With Centralized Heating system
(100 million sq.m)
2.1 6.5 11.1 15.6 18.9 21.6
Municipal Engineering            
Length of Roads (10000 km) 9.5 13.0 16.0 19.1 20.8 21.8
Length of Roads per 10000 People (km) 3.1 3.8 4.1 5.4 6.2  
Area of Roads (100 million sq.m) 8.9 13.6 19.0 27.7 31.6  
Area of Roads per 10000 People (sq.m) 3.1 4.4 6.1 7.9 9.3  
Length of Sewer Pipelines (10000 km) 5.8 11.0 14.2 17.3 19.9  
Density of Sewer Pipelines (km/sq.m) 4.5 5.7 6.3 6.7 7.0  
Public Traffic            
Number of Public Vehicles for Business
Transportation (Buses and Trolley Buses,
etc.) (10000 units)
6.2 13.7 22.6 24.6 26.4 28.7
Number of Public Transportation Vehicles
per 10000 People (unit)
2.2 3.6 5.3 6.7 7.7  
Taxi (10000 units) 11.1 50.4 82.5 88.4 90.3 90.3
Afforestation in Cities            
Public Green Areas (10000 hectare) 47.5 67.8 86.5 107.2 121.2  
Public Green Areas per 10000
People (sq.m)
1.8 2.5 3.7 5.4 6.5 7.4
Number of Park and Zoo (unit) 1970 3619 4455 5178 5832  
Area of Park and Zoo (10000 hectare) 3.9 7.3 8.2 10.0 11.3  
People Sanitation            
Volume of Garbage Disposal (10000 tons) 6767 10671 11819 13650 14857  
Volume of Disposal of Excrement and
Urine (10000 tons)
2385 3066 2829 3160 3475  
Number of Public Lavatories per 10000
People
3.0 3.0 2.7 3.2 3.2  
a) Per capita data and popularization data are calculated by city population.