Side-by-side official data
Aichi vs Niigata
12 sourced measures, clear differences, and reference years you can check.
At a glance. Aichi 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 | Aichi ↗ | Niigata ↗ | Absolute difference | Higher figure |
|---|---|---|---|---|
| Population ↗thousand people · 2024 | 7,460 | 2,099 | 5,361 | Aichi |
| Total area ↗km² · 2024 | 5,173 | 12,584 | 7,411 | Niigata |
| Population density ↗people/km² · 2024 | 1,442 | 167 | 1,275 | Aichi |
| Inhabitable area ↗km² · 2024 | 2,996 | 4,550 | 1,554 | Niigata |
| Inhabitable area density ↗people/km² · 2024 | 2,490 | 461 | 2,029 | Aichi |
| Population aged 0–14 ↗thousand people · 2024 | 906 | 220 | 686 | Aichi |
| Population aged 15–64 ↗thousand people · 2024 | 4,626 | 1,162 | 3,464 | Aichi |
| Population aged 65+ ↗thousand people · 2024 | 1,928 | 717 | 1,211 | Aichi |
| Private households ↗households · 2020 | 3,233,126 | 862,796 | 2,370,330 | Aichi |
| Members per household ↗people · 2020 | 2.29 | 2.48 | 0.19 | Niigata |
| Live birth rate ↗per 1,000 people · 2023 | 6.7 | 5.2 | 1.5 | Aichi |
| Death rate ↗per 1,000 people · 2023 | 11.2 | 15.7 | 4.5 | 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: Aichi's population is 3.55× Niigata'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 →