Seoul, South Korea
| PART 1: Definition of Megacity | 2001 | 2006 | 2011 | Comments | 
| Brinkhoff population (2010) | 24,200,000 | |||
| Population | 10,280,523 | 10,358,560 | 10,528,774 | Yr 2002 (Brinkhoff) | 
| Population growth rate 2001-11 | 2.41 | |||
| GDP (millions) | 220,134,000 | 282,944,000 | Korean won | |
| >GDP (PPP adjusted US dollars, millions) | 284,117 | 339,669 | ||
| *10-year growth rate in GDP 2001 to 2011 (%) | ||||
| Formal gov't for metro area (yes/no)? | ||||
| > 1 coordinating bodies (yes/no)? | ||||
| PART 2: Biophysical Characteristics | 2001 | 2006 | 2011 | Comments | 
| Land area (km2) | 605.96 | |||
| Urbanized area (km2) | 363.14 | |||
| Heating degree days | 2,870.00 | |||
| Cooling degree days | 59.00 | |||
| Annnual precipitation (mm) | 2,039.30 | |||
| Annual solar radiation (k Wh/m2) | 1,333.00 | |||
| Building gross floor area (m2) - total | 616,870,773 | total | ||
| >total per capita | 58.59 | |||
| >residential | ||||
| >residential per capita | ||||
| >commercial & institutional | ||||
| >industrial | ||||
| PART 3: Urban Metabolism | 2001 | 2006 | 2011 | Comments | 
| Energy (Stationary) | ||||
| Electricity consumption (GWh) - renewable | ||||
| Electricity consumption (GWh) - grid | 41,824.00 | 46,903.00 | ||
| Electrical line losses (GWh) | 7,793.51 | 10,220.49 | ||
| *Total electricity consumption (GWh) | 0.00 | 41,824.00 | 46,903.00 | |
| *Total electricity consumption (TJ) | 0.00 | 150,566.40 | 168,850.80 | |
| *10-year growth rate 2001-2011 (%) | #DIV/0! | |||
| Natural gas (TJ) | 192,529.80 | 197,080.92 | ||
| Fuel oil (TJ) | 327,662.44 | 306,780.29 | ||
| Coal (TJ) | 7,506.10 | 5,793.77 | ||
| Biomass/biofuels (TJ) | 1.53 | 0.96 | ||
| Other | ||||
| *Total energy consumption (heating + ind. fuels) (TJ) | 0.00 | 527,699.86 | 509,655.94 | |
| *Total energy consumption (res & comm heating) (TJ) | 236,480.36 | |||
| Energy (Mobile) | ||||
| Gasoline (TJ) | 58,084.02 | 57,597.04 | ||
| Diesel (TJ) | 68,190.70 | 56,929.17 | ||
| Jet fuel (TJ) | ||||
| Marine fuel (TJ) | ||||
| Other | 29,971.93 | 22,278.47 | LPG | |
| *Total energy consumption (transportation) excl. marine/jet fuel (TJ) | 0.00 | 156,246.66 | 136,804.68 | |
| *10-year growth rate | #DIV/0! | |||
| *Total energy consumption (stationary + mobile) (TJ) | 0.00 | 834,512.92 | 815,311.42 | |
| *2011 total | 815,311.42 | |||
| *2006 total | 834,512.92 | |||
| **2001 total | 0.00 | |||
| *10-year growth rate 2001-2011 (%) | ||||
| Water | ||||
| Consumption (ML) -- excluding line losses | 1,120,437 | 1,105,221 | ||
| Line losses (ML) | 112,556.00 | 45,117.00 | ||
| >Line losses as a percentage of consumption (%) | 10.0% | 4.1% | ||
| *Total water consumption (ML) excluding line losses | 0.00 | 1,120,437 | 1,105,221 | |
| *Total water consumption (ML) including line losses | 0.00 | 1,232,993 | 1,150,338 | |
| Production (ML) | 1,246,237 | 1,187,287 | ||
| Production - surface water (ML) | ||||
| Production - ground water (ML) | 28,195 | 22,437 | ||
| *10-year growth rate in water consumption 2001-2011 (%) | #DIV/0! | |||
| Wastewater | ||||
| Volume (ML) | 19,469.10 | 23,161.81 | ||
| Loading (kt BOD) | 231.41 | 166.08 | units are ML not Kt | |
| Waste | ||||
| Solid waste disposal - land (Kt) | 2,570.68 | 1,930.98 | ||
| Waste incineration (Kt) | 320.56 | 726.13 | ||
| *Total solid waste disposal (kt) | 0.00 | 2,891.24 | 2,657.11 | |
| *10-year growth rate in solid waste disposal 2001-2011 (%) | #DIV/0! | |||
| Electricity sources | ||||
| Coal (%) | ||||
| Oil (%) | ||||
| Natural gas (%) | ||||
| Hydropower (%) | ||||
| Nuclear (%) | ||||
| Off-site wind (%) | ||||
| Off-site solar (%) | ||||
| Other | ||||
| GHG emissions factor (t CO2e / GWh) | ? | |||
| Electricity consumption (2011) | ||||
| residential (%) | 27.6 | |||
| commercial/institutional (%) | ||||
| industrial (%) | 4.8 | |||
| transportation (%) | ||||
| other | 60.0 | com/trnsprt | ||
| 7.6 | institutional | |||
| Stationary energy consumption (2011) | ||||
| residential (%) | these data for S. Korea | |||
| commercial/institutional (%) | ||||
| industrial (%) | 8.7 | |||
| other | 46.4 | res/com | ||
| 39.3 | trnsprt | |||
| 5.6 | institutional, other | |||
| Materials (2011) | ||||
| Building materials | ||||
| Cement | ||||
| >net import (Kt) | ||||
| >production (Kt) | ||||
| >consumption (Kt) | ||||
| Steel | ||||
| >net import (Kt) | ||||
| >production (Kt) | ||||
| >consumption (Kt) | ||||
| Other | ||||
| >net import (Kt) | ||||
| >production (Kt) | ||||
| >consumption (Kt) | ||||
| Food | ||||
| >net import (Kt) | ||||
| >production (Kt) | ||||
| >consumption (Kt) | ||||
| Other | ||||
| >net import (Kt) | ||||
| >production (Kt) | ||||
| >consumption (Kt) |