| Attribute |
Japan × | 
Korea, South × |
| Geography | | |
| Area (km²) | 377,915 | 99,720 |
| Continent | Asia | Asia |
| Land area (km²) | 364,485 | 96,920 |
| Water area (km²) | 13,430 | 2,800 |
| Land boundaries (km) | 0 | 237 |
| Border countries | - | |
| Coastline (km) | 29,751 | 2,413 |
| Mean elevation (m) | 438 | 282 |
| Lowest point (m) | -4 | 0 |
| Highest point (m) | 3,776 | 1,950 |
| People | | |
| Population | 125,507,472 | 51,835,110 |
| Official languages | Array of values | Array of values |
| Religion | Shintoism | Protestant |
| Government | | |
| Long country name | - | Republic of Korea |
| Short country name | Japan | South Korea |
| Long local name | Nihon-koku/Nippon-koku | Taehan-min'guk |
| Short local name | Nihon/Nippon | Han'guk |
| Government type | Parliamentary constitutional monarchy | Presidential republic |
| Capital | Tokyo | Seoul |
| Economy | | |
| GDP (PPP) (USD) | 5,443,000,000,000 | 2,035,000,000,000 |
| GDP (OER) (USD) | 4,873,000,000,000 | 1,540,000,000,000 |
| GDP (real growth rate) (%) | 1.7 | 3.1 |
| GDP - per capita (PPP) (USD) | 42,900 | 39,500 |
| Gross national saving (% of GDP) | 28 | 36.6 |
| Labor force | 65,010,000 | 27,750,000 |
| Unemployment rate (%) | 2.9 | 3.7 |
| Population below poverty line (%) | 16.1 | 14.4 |
| Budget revenues (USD) | 1,714,000,000,000 | 357,100,000,000 |
| Budget expenditures (USD) | 1,885,000,000,000 | 335,800,000,000 |
| Military expenditures (% of GDP) | 0.92 | 2.62 |
| Taxes and other revenues (% of GDP) | 35.2 | 23.2 |
| Budget surplus or deficit (% of GDP) | -3.5 | 1.4 |
| Public debt (% of GDP) | 237.6 | 39.5 |
| Inflation rate (%) | 0.5 | 1.9 |
| Central bank discount rate (%) | 0.3 | 1.5 |
| Commercial bank prime lending rate (%) | 1.48 | 3.48 |
| Stock of narrow money (USD) | 6,317,000,000,000 | 793,900,000,000 |
| Stock of broad money (USD) | 6,317,000,000,000 | 793,900,000,000 |
| Stock of domestic credit (USD) | 13,070,000,000,000 | 2,986,000,000,000 |
| Market value of publicly traded shares (USD) | 4,895,000,000,000 | 1,305,000,000,000 |
| Current account balance (USD) | 196,100,000,000 | 78,460,000,000 |
| Exports (USD) | 688,900,000,000 | 577,400,000,000 |
| Imports (USD) | 644,700,000,000 | 457,500,000,000 |
| Reserves of foreign exchange and gold (USD) | 1,264,000,000,000 | 389,200,000,000 |
| External debt (USD) | 3,240,000,000,000 | 384,600,000,000 |
| National currency | yen | South Korean won |
| National currency (code) | JPY | KRW |
| National currency (symbol) | ¥ | ₩ |
| National currency rate to USD | 111.1 | 1 |