Prefecture profile · Tohoku
Iwate 岩手県
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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Iwate in Japan
| Measure | Value | Year | Japan rank |
|---|---|---|---|
| Population ↗ | 1,145 thousand people | 2024 | #32 / 47 |
| Total area ↗ | 15,275 km² | 2024 | #2 / 47 |
| Population density ↗ | 75 people/km² | 2024 | #46 / 47 |
| Inhabitable area ↗ | 3,751 km² | 2024 | #5 / 47 |
| Inhabitable area density ↗ | 305 people/km² | 2024 | #45 / 47 |
| Population aged 0–14 ↗ | 115 thousand people | 2024 | #34 / 47 |
| Population aged 15–64 ↗ | 624 thousand people | 2024 | #33 / 47 |
| Population aged 65+ ↗ | 405 thousand people | 2024 | #30 / 47 |
| Private households ↗ | 490,828 households | 2020 | #32 / 47 |
| Members per household ↗ | 2.39 people | 2020 | #14 / 47 |
| Live birth rate ↗ | 4.7 per 1,000 people | 2023 | #46 / 47 |
| Death rate ↗ | 17 per 1,000 people | 2023 | #4 / 47 |
Continue exploring
View the regional overview →Nearby in Tohoku
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 →