Prefecture profile · Shikoku
Kochi 高知県
Official population, land, age, household and vital statistics, with rankings across Japan's 47 prefectures.
At a glance
Reference years: 2020–2024Key statistics
Population age groups are published in thousands. Area and density figures are rounded independently in the source; density may differ from a calculation using displayed values.
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Kochi in Japan
| Measure | Value | Year | Japan rank |
|---|---|---|---|
| Population ↗ | 656 thousand people | 2024 | #45 / 47 |
| Total area ↗ | 7,102 km² | 2024 | #18 / 47 |
| Population density ↗ | 92 people/km² | 2024 | #44 / 47 |
| Inhabitable area ↗ | 1,160 km² | 2024 | #39 / 47 |
| Inhabitable area density ↗ | 566 people/km² | 2024 | #36 / 47 |
| Population aged 0–14 ↗ | 67 thousand people | 2024 | #46 / 47 |
| Population aged 15–64 ↗ | 348 thousand people | 2024 | #45 / 47 |
| Population aged 65+ ↗ | 240 thousand people | 2024 | #44 / 47 |
| Private households ↗ | 314,330 households | 2020 | #42 / 47 |
| Members per household ↗ | 2.11 people | 2020 | #43 / 47 |
| Live birth rate ↗ | 5.1 per 1,000 people | 2023 | #43 / 47 |
| Death rate ↗ | 17.3 per 1,000 people | 2023 | #3 / 47 |
Continue exploring
View the regional overview →Nearby in Shikoku
Related story. Why does Kagawa store water while Kochi draws from rivers? →
Sources and update. Figures come from the Statistical Handbook of Japan 2026 and Japan Statistical Yearbook 2026, published by the Statistics Bureau of Japan. Each measure shows its reference year. Snapshot reviewed 2026-10-08. Full methodology →