| Name: | Japan |
| Area: | 377 835 km2 |
| Capital: | Tokyo |
| Population: | 127 288 000 |
| Language: | Japanese |
| Competitors: | 21 |
| Yukino CHIKUBU | 2007 |
| Zenji FUKAGAWA | 2008 |
| Yurara HANAOKA | 2009 |
| Rio INAMORI | 2009 |
| Harua IRISHIMA | 2008 |
| Niko KANDA | 2007 |
| Sachiho KOBAYASHI | 2009 |
| Ichi KOJIMA | 2007 |
| Nanami MAEDA | 2008 |
| Rimi MIYATA | 2007 |
| Honoka MOTOISHI | 2008 |
| Seiru NAKAOKA | 2007 |
| Yuya NODA | 2008 |
| Fuki OSAWA | 2008 |
| Yu SAKIYAMA | 2008 |
| Yui SAKIYAMA | 2008 |
| Kotaro SAWATA | 2007 |
| Misato SUGIMOTO | 2007 |
| Yuzo UENO | 2009 |
| Kyonosuke YAMAKAWA | 2009 |
| Yamato YAMASHITA | 2009 |