There are 40,066 lawyers in Japan as of 2018 March 31. The following data show the number of registered lawyers by prefecture.
Table: Number of Lawyers in Japan by Prefecture, 2018
| Prefecture | Lawyers | Population per a lawyer | Lawyer per 10,000 residents |
| Tokyo | 18,879 | 727 | 13.76 |
| Osaka | 4,562 | 1,934 | 5.17 |
| Aichi | 1,958 | 3,843 | 2.60 |
| Kanagawa | 1,635 | 5,602 | 1.79 |
| Fukuoka | 1,281 | 3,987 | 2.51 |
| Hokkaido | 1,004 | 5,299 | 1.89 |
| Hyōgo | 934 | 5,892 | 1.70 |
| Saitama | 870 | 8,402 | 1.19 |
| Chiba | 798 | 7,827 | 1.28 |
| Kyoto | 768 | 3,384 | 2.95 |
| Hiroshima | 579 | 4,886 | 2.05 |
| Shizuoka | 478 | 7,688 | 1.30 |
| Miyagi | 453 | 5,128 | 1.95 |
| Okayama | 401 | 4,756 | 2.10 |
| Gunma | 289 | 6,782 | 1.47 |
| Ibaraki | 286 | 10,112 | 0.99 |
| Niigata | 280 | 8,096 | 1.24 |
| Kumamoto | 279 | 6,326 | 1.58 |
| Okinawa | 267 | 5,404 | 1.85 |
| Nagano | 242 | 8,579 | 1.17 |
| Tochigi | 222 | 8,815 | 1.13 |
| Kagoshima | 211 | 7,706 | 1.30 |
| Gifu | 204 | 9,843 | 1.02 |
| Fukushima | 203 | 9,271 | 1.08 |
| Mie | 185 | 9,730 | 1.03 |
| Yamaguchi | 177 | 7,814 | 1.28 |
| Ishikawa | 173 | 6,630 | 1.51 |
| Kagawa | 173 | 5,590 | 1.79 |
| Nara | 170 | 7,929 | 1.26 |
| Ehime | 164 | 8,317 | 1.20 |
| Oita | 161 | 7,155 | 1.40 |
| Nagasaki | 160 | 8,463 | 1.18 |
| Shiga | 153 | 9,235 | 1.08 |
| Wakayama | 146 | 6,473 | 1.54 |
| Miyazaki | 139 | 7,835 | 1.28 |
| Toyama | 125 | 8,448 | 1.18 |
| Yamanashi | 123 | 6,691 | 1.49 |
| Aomori | 113 | 11,310 | 0.88 |
| Fukui | 107 | 7,280 | 1.37 |
| Saga | 106 | 7,774 | 1.29 |
| Iwate | 104 | 12,067 | 0.83 |
| Yamagata | 98 | 11,245 | 0.89 |
| Tokushima | 94 | 7,904 | 1.27 |
| Kochi | 87 | 8,207 | 1.22 |
| Shimane | 82 | 8,354 | 1.20 |
| Akita | 78 | 12,769 | 0.78 |
| Tottori | 65 | 8,692 | 1.15 |
| Total | 40,066 | 3,162 |
Source is Japan Federation of Bar Associations. 弁護士１人あたりの人口比較
www.nichibenren.or.jp/jfba_info/statistics/reform/fundamental_statistics.html
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