| USA | 14 |
| England | 2 |
| Norway | 2 |
| Singapore | 2 |
| Sweden | 2 |
| Australia | 1 |
| Croatia | 1 |
| Czech | 1 |
| Finland | 1 |
| Ghana | 1 |
| Holland | 1 |
| India | 1 |
| Indonesia | 1 |
| Ireland | 1 |
| Israel | 1 |
| Japan | 1 |
| Jordan | 1 |
| Korea | 1 |
| Lebanon | 1 |
| Mexico | 1 |
| Philippines | 1 |
| Portugal | 1 |
| Russia | 1 |
| Taiwan | 1 |
Distribution by countries for the last 2004 IPSI conference.: 1.Papers passed internal review (Thursday, November 27th, 2003) = 41
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2. Papers under review = 58 2. Rejection rate until now = 48%