Compare countries
Japan
122,026,123
Population nowvs
South Korea
51,398,104
Population nowAs of 2026, Japan has a population of about 122,026,123 while South Korea has about 51,398,104 — a difference of 70,628,019 people. South Korea is growing faster (-0.28% per year).
| Japan | Metric | South Korea |
|---|---|---|
| -0.69% | Growth rate / yr | -0.28% |
| 6.0 | Birth rate / 1,000 | 4.5 |
| 12.9 | Death rate / 1,000 | 7.3 |
| 323.0 | Density / km² | 516.9 |
| 48.7% | Male % | 50.1% |
| 99.0% | Literacy % | 98.8% |
| 20.1% | Smoking % | 20.8% |
| 80.7 | Life expectancy | 74.4 |