| 2003 | 2004 | 2005 | 2006 | 2007 | Rank | |
| Population (million) | 48.3 | 48.4 | 48.6 | 48.8 | 49.0 | i |
| Economic organizations | APEC; IMF; OECD; WTO | |||||
| National currency (NC) | South Korean won | |||||
| Exchange rate (NC in €) | 0.00074 | 0.00070 | 0.00079 | 0.00083 | 0.00079 | |
| Exchange rate (NC in US$) | 0.00084 | 0.00087 | 0.00098 | 0.00105 | 0.00108 | |
| Inflation rate | n.a. | n.a. | 2.8% | 2.2% | 2.5% | i |
| GDP | ||||||
| GDP (billion US$) | 608 | 680 | 791 | 888 | 957 | i |
| GDP (per capita in US$) | 12591 | 14060 | 16285 | 18197 | 19526 | i |
| GDP growth rate | 3.1% | 4.7% | 4.2% | 5.0% | 5.0% | i |
| GDP (composition by sector): | ||||||
| Agriculture | 4% | 4% | 3% | 3% | 3% | |
| Industry | 39% | 40% | 40% | 40% | 40% | |
| Services | 57% | 56% | 57% | 57% | 57% | |
| GDP (by type of expenditure): | ||||||
| Household consumption | 54% | 52% | 53% | 54% | 55% | |
| Government consumption | 13% | 14% | 14% | 15% | 15% | |
| Gross fixed capital formation | 30% | 30% | 29% | 29% | 29% | |
| Trade: | ||||||
| Export (billion US$) | 194 | 254 | 284 | 325 | 371 | i |
| Import (billion US$) | 179 | 224 | 261 | 309 | 357 | i |
| Public debt (billion US$) | n.a. | n.a. | 195 | 245 | 281 | i |
| Public debt (share of GDP) | n.a. | n.a. | 24.7% | 27.6% | 29.4% | i |
| Unemployment rate | n.a. | n.a. | 3.7% | 3.5% | 3.2% | i |
| Average working hours (per year) | n.a. | n.a. | n.a. | n.a. | n.a. | |
| Energy (billion KWh): | ||||||
| Electricity production | n.a. | 342 | n.a. | n.a. | 413 | i |
| Electricity consumption | n.a. | 321 | n.a. | n.a. | 369 | i |
| Crude oil and natural gas: | ||||||
| Natural gas reserves (billion m³) | n.a. | n.a. | n.a. | n.a. | n.a. | i |
| Natural gas production (billion m³) | 0 | n.a. | n.a. | n.a. | 0.39 | i |
| Natural gas consumption (billion m³) | 24.09 | n.a. | n.a. | n.a. | 34.8 | i |
| Crude oil reserves (billion barrel) | n.a. | n.a. | n.a. | n.a. | n.a. | i |
| Crude oil production (bpd) | n.a. | 0 | n.a. | n.a. | 20970 | i |
| Crude oil consumption (bpd) | n.a. | 2061000 | n.a. | n.a. | 2214000 | i |
| Raw materials: | ||||||
| Mineral resources | lead; graphite; coal; molybdenum; tungsten | |||||
| Agricultural resources | beef; pork; poultry; fish; barley; vegetables; fruit; rice | |||||
| Organic and inorganic chemicals: | ||||||
| Export (billion US$) | 6.4 | 9.4 | 11.3 | 13.7 | 16.4 | i |
| Import (billion US$) | 7.2 | 9.4 | 10.9 | 11.7 | 13.6 | i |
| Plastic and rubber: | ||||||
| Export (billion US$) | 11.4 | 14.9 | 18.0 | 19.4 | 22.4 | i |
| Import (billion US$) | 4.5 | 5.7 | 6.9 | 8.0 | 9.0 | i |
| Important companies | Hanwha Chemical Company; Honam Petrochemical Corp (HPC); Kumho Asiana Group; Korea Petrochemical Industry Co., Ltd. (KPIC); LG Chem Ltd; Posco; S-OIL; SK Energy Co. Ltd. | |||||













