Prefecture profile · Kyushu
Oita 大分県
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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Oita in Japan
| Measure | Value | Year | Japan rank |
|---|---|---|---|
| Population ↗ | 1,085 thousand people | 2024 | #34 / 47 |
| Total area ↗ | 6,341 km² | 2024 | #22 / 47 |
| Population density ↗ | 171 people/km² | 2024 | #33 / 47 |
| Inhabitable area ↗ | 1,795 km² | 2024 | #27 / 47 |
| Inhabitable area density ↗ | 604 people/km² | 2024 | #33 / 47 |
| Population aged 0–14 ↗ | 124 thousand people | 2024 | #33 / 47 |
| Population aged 15–64 ↗ | 588 thousand people | 2024 | #34 / 47 |
| Population aged 65+ ↗ | 374 thousand people | 2024 | #32 / 47 |
| Private households ↗ | 487,679 households | 2020 | #33 / 47 |
| Members per household ↗ | 2.22 people | 2020 | #35 / 47 |
| Live birth rate ↗ | 5.8 per 1,000 people | 2023 | #23 / 47 |
| Death rate ↗ | 15.5 per 1,000 people | 2023 | #17 / 47 |
Continue exploring
View the regional overview →Nearby in Kyushu
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 →