The map above shows which perfecters are losing people the fastest in Japan.
46 of 47 Japanese Prefectures experienced population decline in 2023, of which 15 experienced a grater than 1% drop.
Tokyo was the sole prefecture to see population increase, due in part to increasing immigration numbers.
Here are the numbers by prefecture:
| Prefecture | Annual Change |
|---|---|
| Tokyo-to | 0.34% |
| Okinawa-ken | -0.02% |
| Kanagawa-ken | -0.04% |
| Saitama-ken | -0.08% |
| Chiba-ken | -0.15% |
| Shiga-ken | -0.16% |
| Osaka-fu | -0.22% |
| Aichi-ken | -0.25% |
| Fukuoka-ken | -0.26% |
| Japan | -0.48% |
| Ibaraki-ken | -0.53% |
| Kumamoto-ken | -0.55% |
| Kyoto-fu | -0.57% |
| Tochigi-ken | -0.60% |
| Gumma-ken | -0.60% |
| Hyogo-ken | -0.60% |
| Miyagi-ken | -0.68% |
| Saga-ken | -0.74% |
| Yamanashi-ken | -0.75% |
| Gifu-ken | -0.75% |
| Shizuoka-ken | -0.75% |
| Ishikawa-ken | -0.78% |
| Hiroshima-ken | -0.78% |
| Nara-ken | -0.79% |
| Nagano-ken | -0.80% |
| Okayama-ken | -0.84% |
| Mie-ken | -0.88% |
| Kagoshima-ken | -0.89% |
| Kagawa-ken | -0.91% |
| Hokkaido | -0.93% |
| Oita-ken | -0.95% |
| Toyama-ken | -0.96% |
| Miyazaki-ken | -0.96% |
| Fukui-ken | -1.12% |
| Tottori-ken | -1.14% |
| Ehime-ken | -1.16% |
| Yamaguchi-ken | -1.21% |
| Niigata-ken | -1.22% |
| Nagasaki-ken | -1.25% |
| Wakayama-ken | -1.27% |
| Shimane-ken | -1.27% |
| Tokushima-ken | -1.27% |
| Fukushima-ken | -1.31% |
| Kochi-ken | -1.37% |
| Yamagata-ken | -1.42% |
| Iwate-ken | -1.47% |
| Aomori-ken | -1.66% |
| Akita-ken | -1.75% |
In terms of headline Japanese population numbers:
- The total population of Japan 124,352,000. This was a decrease of 595,000 with 2022. The rate of decrease was 0.48 percent. The total population decreased for the thirteenth year in a row.
- The natural change of the male population was negative for the nineteenth year in a row, and that of the female population was negative for the fifteenth year in a row.
- The population under 15 years old was 14,173,000 (11.4% of the total population)
- The population aged 15 to 64 was 73,952,000 (59.5% of the total population)
- The population aged 65 years old and over was 36,227,000 (29.1% of the total population)
And if you’re interested here are the net migration figures by prefecture:
| Prefecture | Net Migration |
|---|---|
| Tokyo-to | 0.68% |
| Saitama-ken | 0.47% |
| Chiba-ken | 0.43% |
| Kanagawa-ken | 0.43% |
| Osaka-fu | 0.35% |
| Fukuoka-ken | 0.28% |
| Ibaraki-ken | 0.27% |
| Gumma-ken | 0.26% |
| Shiga-ken | 0.24% |
| Kumamoto-ken | 0.21% |
| Japan | 0.19% |
| Tochigi-ken | 0.19% |
| Aichi-ken | 0.15% |
| Okinawa-ken | 0.12% |
| Yamanashi-ken | 0.10% |
| Kyoto-fu | 0.09% |
| Nagano-ken | 0.07% |
| Hokkaido | 0.06% |
| Miyagi-ken | 0.05% |
| Gifu-ken | 0.05% |
| Shizuoka-ken | 0.04% |
| Saga-ken | 0.04% |
| Hyogo-ken | 0.02% |
| Kagoshima-ken | 0.00% |
| Oita-ken | -0.01% |
| Nara-ken | -0.02% |
| Kagawa-ken | -0.02% |
| Toyama-ken | -0.03% |
| Miyazaki-ken | -0.04% |
| Ishikawa-ken | -0.06% |
| Mie-ken | -0.09% |
| Okayama-ken | -0.11% |
| Hiroshima-ken | -0.11% |
| Yamaguchi-ken | -0.14% |
| Ehime-ken | -0.14% |
| Kochi-ken | -0.16% |
| Wakayama-ken | -0.18% |
| Niigata-ken | -0.19% |
| Tottori-ken | -0.23% |
| Tokushima-ken | -0.23% |
| Iwate-ken | -0.26% |
| Akita-ken | -0.26% |
| Shimane-ken | -0.27% |
| Fukushima-ken | -0.28% |
| Yamagata-ken | -0.31% |
| Fukui-ken | -0.33% |
| Nagasaki-ken | -0.33% |
| Aomori-ken | -0.39% |
Data comes from Statistics Bureau of Japan.
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