| Participants | Presentations | |||||
| General | Student | Total | Oral | Poster | Total | |
| Japan | 85 | 36 | 121 | 22 | 46 | 68 |
| Korea | 4 | 6 | 10 | 4 | 3 | 7 |
| Germany | 5 | 3 | 8 | 5 | 3 | 8 |
| U.K. | 6 | 0 | 6 | 3 | 3 | 6 |
| U.S.A. | 4 | 0 | 4 | 1 | 0 | 1 |
| P.R.China | 4 | 0 | 4 | 0 | 1 | 1 |
| Italy | 3 | 1 | 4 | 1 | 2 | 3 |
| South Africa | 1 | 3 | 4 | 2 | 4 | 6 |
| Canada | 1 | 0 | 1 | 0 | 0 | 0 |
| Israel | 1 | 0 | 1 | 0 | 1 | 1 |
| Spain | 0 | 1 | 1 | 0 | 0 | 0 |
| Foreign | 29 | 14 | 43 | 16 | 17 | 33 |
| Total | 114 | 50 | 164 | 38 | 63 | 101 |