| Basic Statistics on Urban Public Utilities | ||||||
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(Data have covered public utilities of all urban units)
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| Item | 1990 | 1995 | 2000 | 2001 | 2002 | |
| Urban Areas and Floor Space of Buildings | ||||||
| Developed Areas (sq.m) | 12856 | 19264 | 22439 | 24027 | 25973 | |
| Population Density of Urban Districts (persons/sq.km) | 279 | 322 | 442 | 588 | 754 | |
| Total Floor Space of Buildings (year-end) (100 million sq.m) | 39.8 | 57.3 | 76.6 | 110.1 | 131.8 | |
| Total Floor Space of Residential Buildings (year-end) (100 million sq.m) |
20.0 | 31.0 | 44.1 | 66.5 | 81.8 | |
| Total Use Space of Residential Buildings (year-end) (100 million sq.m) |
14.4 | 26.6 | 32.4 | 49.5 | ||
| Water Supply, Gas Supply and Heating | ||||||
| Annual Supply of Tap Water (100 million tons) | 382.3 | 481.6 | 469.0 | 466.1 | 466.5 | |
| Water Consumption for Residential Use | 100.1 | 158.1 | 200.0 | 203.6 | 213.2 | |
| Per- capita Water Consumption for Residential Use (ton) | 67.9 | 71.3 | 95.5 | 78.8 | 77.8 | |
| Percentage of Population With Access to Tap Water (%) | 48.0 | 58.7 | 63.9 | 72.3 | 77.9 | |
| Coal Gas Supply (100 million cu.m) | 174.7 | 126.7 | 152.4 | 136.9 | 198.9 | |
| Consumption of Coal Gas for Residential Use | 27.4 | 45.7 | 63.1 | 49.4 | 49.0 | |
| Natural Gas Supply (100 million cu.m) | 64.2 | 67.3 | 82.1 | 99.5 | 125.9 | |
| Consumption of Coal Gas for Residential Use | 11.6 | 16.4 | 24.8 | 24.8 | 35.0 | |
| Liquefied Petroleum Gas (10 000 ton) | 219.0 | 488.7 | 1053.7 | 981.8 | 1136.4 | |
| Consumption of Liquefied Gas for Residential Use (10 000 ton) | 142.8 | 370.2 | 532.3 | 558.3 | 656.2 | |
| Length of Gas Pipelines (10 000 km) | 2.4 | 4.4 | 8.9 | 10.0 | 11.4 | |
| Percentage of Population With Access to Gas (%) | 19.1 | 34.3 | 45.4 | 60.4 | 67.2 | |
| Area With Centralized Heating system (100 million sq.m) | 2.1 | 6.5 | 11.1 | 14.6 | 15.6 | |
| Municipal Engineering | ||||||
| Length of Roads (10 000 km) | 9.5 | 13.0 | 16.0 | 17.6 | 19.1 | |
| Length of Roads per 10 000 People (km) | 3.1 | 3.8 | 4.1 | 4.9 | 5.4 | |
| Area of Roads (100 million sq.m) | 8.9 | 13.6 | 19.0 | 24.9 | 27.7 | |
| Area of Roads per 10 000 People (sq.m) | 3.1 | 4.4 | 6.1 | 7.0 | 7.9 | |
| Length of Sewer Pipelines (10 000 km) | 5.8 | 11.0 | 14.2 | 15.8 | 17.3 | |
| Density of Sewer Pipelines (km/sq.m) | 4.5 | 5.7 | 6.3 | 6.6 | 6.7 | |
| Public Traffic | ||||||
| Number of Public Vehicles for Business Transportation (Buses and Trolley Buses, etc.) (10 000 units) | 6.2 | 13.7 | 22.6 | 23.1 | 24.6 | |
| Number of Public Transportation Vehicles per 10 000 People (unit) |
2.2 | 3.6 | 5.3 | 6.1 | 6.7 | |
| Taxi (10 000 units) | 11.1 | 50.4 | 82.5 | 87.0 | 88.4 | |
| Afforestation in Cities | ||||||
| Public Green Areas (10 000 hectare) | 47.5 | 67.8 | 86.5 | 94.7 | 107.2 | |
| Public Green Areas per 10 000 People (sq.m) | 1.8 | 2.5 | 3.7 | 4.6 | 5.4 | |
| Number of Park and Zoo (unit) | 1970 | 3619 | 4455 | 4850 | 5178 | |
| Area of Park and Zoo (10 000 hectare) | 3.9 | 7.3 | 8.2 | 9.1 | 10.0 | |
| People Sanitation | ||||||
| Volume of Garbage Disposal (10 000 tons) | 6767 | 10671 | 11819 | 13470 | 13650 | |
| Volume of Disposal of Excrement and Urine (10 000 tons) | 2385 | 3066 | 2829 | 2990 | 3160 | |
| Number of Public Lavatories per 10 000 People | 3.0 | 3.0 | 2.7 | 3.0 | 3.2 | |
| a) Per capita data and popularization data are calculated by city population. | ||||||