Japan · prefecture
Aichi population 2026
愛知県
Aichi has 7,460,000 people on the latest official figure, for 1 October 2024 (published to the nearest thousand), 17,000 fewer than a year earlier (−0.23%). It is 4th of Japan’s 47 prefectures by population, home to 6.0% of Japan’s people.
If last year’s change continues: about 7.4 million by 1 July 2026. That is our arithmetic, not an official figure.
Aichi in numbers
- Population
- 7.5 million 1 October 2024
- Change in a year
- −0.23% −17,000 people
- Share of Japan
- 6.0% 4th of 47 prefectures
- Population density
- 1,442per km² 5,173 km²
That is about as many people as Kyrgyzstan (7.4 million).
Population of Aichi by year
› Show the numbers as a table
| Year | Population |
|---|---|
| 2021 | 7,517,000 |
| 2022 | 7,495,000 |
| 2023 | 7,477,000 |
| 2024 | 7,460,000 |
| Year | Population | Change | % |
|---|---|---|---|
| 2024 | 7,460,000 | −17,000 | −0.23% |
| 2023 | 7,477,000 | −18,000 | −0.24% |
| 2022 | 7,495,000 | −22,000 | −0.29% |
| 2021 | 7,517,000 | – | – |
Aichi among Japan’s prefectures
Full ranking →| # | |||||
|---|---|---|---|---|---|
| 1 | Tokyo | 14,178,000 | +0.65% | 11.5% | 6,462 |
| 2 | Kanagawa | 9,225,000 | −0.04% | 7.5% | 3,818 |
| 3 | Osaka | 8,757,000 | −0.07% | 7.1% | 4,596 |
| 4 | Aichi | 7,460,000 | −0.23% | 6.0% | 1,442 |
| 5 | Saitama | 7,332,000 | +0.01% | 5.9% | 1,931 |
| 6 | Chiba | 6,251,000 | −0.10% | 5.0% | 1,212 |
| 7 | Hyogo | 5,337,000 | −0.61% | 4.3% | 635 |
| 8 | Fukuoka | 5,092,000 | −0.22% | 4.1% | 1,024 |
| 9 | Hokkaido | 5,043,000 | −0.96% | 4.1% | 60 |
| 10 | Shizuoka | 3,527,000 | −0.79% | 2.8% | 453 |
| 11 | Ibaraki | 2,806,000 | −0.67% | 2.3% | 460 |
| 12 | Hiroshima | 2,714,000 | −0.88% | 2.2% | 320 |
| 13 | Kyoto | 2,520,000 | −0.59% | 2.0% | 546 |
| 14 | Miyagi | 2,248,000 | −0.71% | 1.8% | 309 |
| 15 | Niigata | 2,099,000 | −1.27% | 1.7% | 167 |
| 16 | Nagano | 1,987,000 | −0.85% | 1.6% | 146 |
| 17 | Gifu | 1,916,000 | −0.78% | 1.5% | 180 |
| 18 | Gunma | 1,890,000 | −0.63% | 1.5% | 297 |
| 19 | Tochigi | 1,885,000 | −0.63% | 1.5% | 294 |
| 20 | Okayama | 1,831,000 | −0.87% | 1.5% | 257 |
| 21 | Fukushima | 1,743,000 | −1.36% | 1.4% | 126 |
| 22 | Mie | 1,711,000 | −0.93% | 1.4% | 296 |
| 23 | Kumamoto | 1,697,000 | −0.70% | 1.4% | 229 |
| 24 | Kagoshima | 1,532,000 | −1.10% | 1.2% | 168 |
| 25 | Okinawa | 1,466,000 | −0.14% | 1.2% | 643 |
| 26 | Shiga | 1,402,000 | −0.35% | 1.1% | 349 |
| 27 | Nara | 1,285,000 | −0.85% | 1.0% | 348 |
| 28 | Yamaguchi | 1,281,000 | −1.31% | 1.0% | 210 |
| 29 | Ehime | 1,276,000 | −1.16% | 1.0% | 225 |
| 30 | Nagasaki | 1,252,000 | −1.18% | 1.0% | 305 |
| 31 | Aomori | 1,165,000 | −1.60% | 0.9% | 121 |
| 32 | Iwate | 1,145,000 | −1.55% | 0.9% | 75 |
| 33 | Ishikawa | 1,098,000 | −0.99% | 0.9% | 262 |
| 34 | Oita | 1,085,000 | −1.00% | 0.9% | 171 |
| 35 | Miyazaki | 1,033,000 | −0.86% | 0.8% | 134 |
| 36 | Yamagata | 1,011,000 | −1.46% | 0.8% | 108 |
| 37 | Toyama | 997,000 | −0.99% | 0.8% | 235 |
| 38 | Kagawa | 917,000 | −0.97% | 0.7% | 493 |
| 39 | Akita | 897,000 | −1.86% | 0.7% | 77 |
| 40 | Wakayama | 880,000 | −1.34% | 0.7% | 186 |
| 41 | Yamanashi | 791,000 | −0.63% | 0.6% | 177 |
| 42 | Saga | 788,000 | −0.88% | 0.6% | 323 |
| 43 | Fukui | 739,000 | −0.67% | 0.6% | 176 |
| 44 | Tokushima | 685,000 | −1.44% | 0.6% | 165 |
| 45 | Kochi | 656,000 | −1.50% | 0.5% | 92 |
| 46 | Shimane | 642,000 | −1.23% | 0.5% | 96 |
| 47 | Tottori | 531,000 | −1.12% | 0.4% | 151 |
Largest cities in Aichi
City proper, not the wider metro area; latest figure in GeoNames (CC BY 4.0), so years differ.
- Nagoya2,332,176
- Toyota426,162
- Okazaki384,654
- Ichinomiya380,073
- Toyohashi377,453
- Kasugai308,681
Air quality in Aichi today
Hourly AQI and a 48-hour forecast.
Questions
What is the population of Aichi in 2026?
Is Aichi’s population growing or shrinking?
How does Aichi rank in Japan?
What is the population density of Aichi?
What is the largest city in Aichi?
Source and method
Statistics Bureau of Japan, Population Estimates. Reuse with credit under the e-Gov terms. Total area, Wikidata. Prefecture estimates are published in thousands each spring; results of the 2025 census will supersede them. Ranks, shares and changes are our arithmetic on the published figures. National figures can differ from the UN’s projection for Japan, which uses a different method. The 2026 figure above carries last year’s change forward; it does not come from the source.
Cite this page: Aichi population, Statistics Bureau of Japan, 1 October 2024. GlobeMetrics, https://globemetrics.org/world-population/japan/aichi/
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