Side-by-side official data
Aichi vs Osaka
12 sourced measures, clear differences, and reference years you can check.
At a glance. Osaka has the larger population in the 2024 estimates. Aichi has the larger total area. Population and area are rounded in the official source.
The comparison
How the figures differ
| Measure | Aichi ↗ | Osaka ↗ | Absolute difference | Higher figure |
|---|---|---|---|---|
| Population ↗thousand people · 2024 | 7,460 | 8,757 | 1,297 | Osaka |
| Total area ↗km² · 2024 | 5,173 | 1,905 | 3,268 | Aichi |
| Population density ↗people/km² · 2024 | 1,442 | 4,596 | 3,154 | Osaka |
| Inhabitable area ↗km² · 2024 | 2,996 | 1,334 | 1,662 | Aichi |
| Inhabitable area density ↗people/km² · 2024 | 2,490 | 6,564 | 4,074 | Osaka |
| Population aged 0–14 ↗thousand people · 2024 | 906 | 968 | 62 | Osaka |
| Population aged 15–64 ↗thousand people · 2024 | 4,626 | 5,371 | 745 | Osaka |
| Population aged 65+ ↗thousand people · 2024 | 1,928 | 2,418 | 490 | Osaka |
| Private households ↗households · 2020 | 3,233,126 | 4,126,995 | 893,869 | Osaka |
| Members per household ↗people · 2020 | 2.29 | 2.1 | 0.19 | Aichi |
| Live birth rate ↗per 1,000 people · 2023 | 6.7 | 6.5 | 0.2 | Aichi |
| Death rate ↗per 1,000 people · 2023 | 11.2 | 12.4 | 1.2 | Osaka |
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 0.85× Osaka'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 →