In 2007, Bebras took place in six countries, with about 50 000 participants total.
In 2008, already ten countries organized their Bebras contest, with more than 96 000 students participating.
In 2009, the overall participation jumped to ca. 160 000 in 11 countries.
In 2010, Bebras took place in 13 countries, with about 235 000 participants overall.
In 2011, there were 17 Bebras contests already, with an overall participation of more than 370 000. Roughly 40% of all participants were from Germany, while Lithuania, where Bebras originated in 2004, had the highest relative participation (almost 6 participants per 1000 inhabitants).
International Bebras activities are being coordinated by the International Bebras Board. Its members currently are:
- Valentina Dagiene, Lithuania
- Gerald Futschek, Austria
- Hans-Werner Hein, Germany
- Ries Kock, The Netherlands
- Wolfgang Pohl, Germany
- Maciej Syslo, Poland
- Peter Tomcsanyi, Slovakia