Nombre
Apellido
Nombre Iwao
Ranking por país y región
| País | Rank | Count |
| Japan | 309 | 84.7k |
| Marshall-islands | 6250 | <1k |
| Región | Rank | Count |
| Japan, Ehime-prefecture | 175 | 1.8k |
| Japan, Kagawa-prefecture | 204 | 1.2k |
| Japan, Miyazaki-prefecture | 212 | 1.3k |
| Japan, Fukui-prefecture | 212 | <1k |
| Japan, Yamaguchi-prefecture | 266 | 1.2k |
| Japan, Aomori-prefecture | 272 | 1.1k |
| Japan, Gunma-prefecture | 274 | 1.6k |
| Japan, Gifu-prefecture | 290 | 1.6k |
| Japan, Hyōgo-prefecture | 292 | 4.1k |
| Japan, Shizuoka-prefecture | 295 | 2.8k |
| Japan, Niigata-prefecture | 300 | 1.6k |
| Japan, Kagoshima-prefecture | 300 | 1.3k |
| Japan, Kyoto-prefecture | 301 | 1.9k |
| Japan, Okayama-prefecture | 302 | 1.4k |
| Japan, Hokkaido-prefecture | 315 | 3.6k |
| Japan, Ōita-prefecture | 316 | <1k |
| Japan, Fukuoka-prefecture | 319 | 3.6k |
| Japan, Saitama-prefecture | 325 | 4.2k |
| Japan, Aichi-prefecture | 329 | 4.7k |
| Japan, Hiroshima-prefecture | 332 | 1.9k |
| Japan, Yamanashi-prefecture | 348 | <1k |
| Japan, Kanagawa-prefecture | 355 | 5.0k |
| Japan, Yamagata-prefecture | 374 | <1k |
| Japan, Toyama-prefecture | 377 | <1k |
| Japan, Mie-prefecture | 389 | <1k |
| Marshall-islands, Utirik-atoll | 871 | <1k |
Personas famosas llamadas Iwao
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