Side-by-side official data
Niigata vs Kagawa
12 sourced measures, clear differences, and reference years you can check.
At a glance. Niigata has the larger population in the 2024 estimates. Niigata has the larger total area. Population and area are rounded in the official source.
The comparison
How the figures differ
| Measure | Niigata ↗ | Kagawa ↗ | Absolute difference | Higher figure |
|---|---|---|---|---|
| Population ↗thousand people · 2024 | 2,099 | 917 | 1,182 | Niigata |
| Total area ↗km² · 2024 | 12,584 | 1,877 | 10,707 | Niigata |
| Population density ↗people/km² · 2024 | 167 | 489 | 322 | Kagawa |
| Inhabitable area ↗km² · 2024 | 4,550 | 1,005 | 3,545 | Niigata |
| Inhabitable area density ↗people/km² · 2024 | 461 | 912 | 451 | Kagawa |
| Population aged 0–14 ↗thousand people · 2024 | 220 | 104 | 116 | Niigata |
| Population aged 15–64 ↗thousand people · 2024 | 1,162 | 512 | 650 | Niigata |
| Population aged 65+ ↗thousand people · 2024 | 717 | 301 | 416 | Niigata |
| Private households ↗households · 2020 | 862,796 | 406,062 | 456,734 | Niigata |
| Members per household ↗people · 2020 | 2.48 | 2.27 | 0.21 | Niigata |
| Live birth rate ↗per 1,000 people · 2023 | 5.2 | 5.9 | 0.7 | Kagawa |
| Death rate ↗per 1,000 people · 2023 | 15.7 | 15 | 0.7 | Niigata |
Higher means a larger numerical value; it does not mean a better outcome. Age-group populations are published in thousands. Ratios use the rounded published figures: Niigata's population is 2.29× Kagawa's.
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Sources. Statistical Handbook of Japan 2026 and Japan Statistical Yearbook 2026, Statistics Bureau of Japan. Reference years are shown per measure. Snapshot reviewed 2026-10-08. Methodology →