| Participants | Presentations | |||||
| General | Student | Total | Oral | Poster | Total | |
| Japan | 102 | 33 | 135 | 29 | 49 | 78 |
| Korea | 15 | 9 | 24 | 3 | 5 | 8 |
| Germany | 5 | 1 | 6 | 2 | 2 | 4 |
| Italy | 4 | 0 | 4 | 1 | 4 | 5 |
| U.K. | 3 | 0 | 3 | 2 | 1 | 3 |
| U.S.A. | 3 | 0 | 3 | 0 | 0 | 0 |
| P.R.China | 2 | 0 | 2 | 1 | 1 | 2 |
| South Africa | 1 | 1 | 2 | 1 | 2 | 3 |
| Canada | 1 | 0 | 1 | 1 | 1 | 2 |
| Poland | 1 | 0 | 1 | 2 | 2 | 4 |
| Ukraine | 1 | 0 | 1 | 1 | 0 | 1 |
| Foreign | 36 | 11 | 47 | 14 | 18 | 32 |
| Total | 138 | 44 | 182 | 43 | 67 | 110 |