The Embassy of the Democratic Socialist Republic of Sri Lanka
| Number of Sri Lankans in Japan | |||||
|---|---|---|---|---|---|
| Prefectures | 2023 - June | 2023 - Dec | 2024 - June | 2024 - Dec | |
| 1 | Hokkaido | 275 | 533 | 589 | 657 |
| 2 | Aomori | 31 | 36 | 34 | 52 |
| 3 | Iwate | 23 | 25 | 27 | 28 |
| 4 | Miyagi | 354 | 545 | 617 | 745 |
| 5 | Akita | 97 | 154 | 163 | 155 |
| 6 | Yamagata | 8 | 10 | 38 | 23 |
| 7 | Fukushima | 111 | 139 | 230 | 267 |
| 8 | Ibaraki | 3380 | 4050 | 5012 | 5682 |
| 9 | Tochigi | 1902 | 2150 | 2951 | 3184 |
| 10 | Gunma | 1188 | 1381 | 1784 | 2020 |
| 11 | Saitama | 2145 | 2844 | 3445 | 3938 |
| 12 | Chiba | 6965 | 8267 | 9782 | 11080 |
| 13 | Tokyo | 2600 | 3921 | 4530 | 5178 |
| 14 | Kanagawa | 5106 | 5967 | 6685 | 7658 |
| 15 | Niigata | 237 | 244 | 316 | 377 |
| 16 | Toyama | 31 | 50 | 64 | 78 |
| 17 | Ishikawa | 43 | 59 | 76 | 113 |
| 18 | Fukui | 30 | 46 | 70 | 78 |
| 19 | Yamanashi | 144 | 166 | 194 | 221 |
| 20 | Nagano | 328 | 408 | 458 | 518 |
| 21 | Gifu | 760 | 892 | 967 | 1178 |
| 22 | Shizuoka | 1903 | 2294 | 2579 | 2851 |
| 23 | Aichi | 2996 | 3722 | 4299 | 4711 |
| 24 | Mie | 973 | 1334 | 1500 | 1618 |
| 25 | Shiga | 86 | 121 | 130 | 163 |
| 26 | Kyoto | 599 | 1090 | 1357 | 1562 |
| 27 | Osaka | 1234 | 1731 | 2154 | 2506 |
| 28 | Hyogo | 543 | 792 | 999 | 1238 |
| 29 | Nara | 346 | 390 | 395 | 418 |
| 30 | Wakayama | 42 | 73 | 91 | 102 |
| 31 | Tottori | 8 | 17 | 35 | 41 |
| 32 | Shimane | 9 | 7 | 8 | 13 |
| 33 | Okayama | 239 | 268 | 318 | 377 |
| 34 | Hiroshima | 190 | 266 | 321 | 348 |
| 35 | Yamaguchi | 80 | 112 | 117 | 149 |
| 36 | Tokushima | 39 | 52 | 68 | 90 |
| 37 | Kagawa | 51 | 72 | 85 | 88 |
| 38 | Ehime | 50 | 87 | 107 | 135 |
| 39 | Kochi | 14 | 16 | 25 | 28 |
| 40 | Fukuoka | 917 | 1126 | 1413 | 1679 |
| 41 | Saga | 104 | 146 | 183 | 207 |
| 42 | Nagasaki | 66 | 122 | 157 | 181 |
| 43 | Kumamoto | 142 | 177 | 218 | 255 |
| 44 | Oita | 379 | 465 | 658 | 752 |
| 45 | Miyazaki | 46 | 47 | 71 | 79 |
| 46 | Kagoshima | 45 | 60 | 100 | 122 |
| 47 | Okinawa | 195 | 272 | 327 | 409 |
| 48 | Unknown | 188 | 203 | 431 | 109 |
| Grand Total | 37,251 | 46,949 | 56,179 | 63.472 | |