Coming soon

IOI 2024 will be hosted by Egypt. Visit the official website to learn more.

Coming soon   IOI 2024 in Egypt


The IOI Regulations describe the objectives and the general form of the IOI, the responsibilities of the host country and the participating countries, and the role of the various official IOI bodies.

The current version of the IOI Regulations was approved by the General Assembly at IOI 2023.
      Official Regulations of the IOI

If you have any questions, you may visit the other website pages related to the Organization structure of the IOI.

The IOI Regulations are still in a process of evolution. In the past, regulations were put together for each IOI separately. Early regulations are available in printed form only.

      Regulations after IOI 2022.
      Regulations after IOI 2021.
      Regulations after IOI 2019.
      Regulations after IOI 2018.
      Regulations after IOI 2017.
      Regulations after IOI 2016.
      Regulations after IOI 2015.
      Regulations after IOI 2014.
      Regulations after IOI 2012.
      Regulations after IOI 2010.
      Regulations after IOI 2009
      Regulations after IOI 2008.
      Regulations after IOI 2007.
      Regulations after IOI 2006.
      Regulations after IOI 2005.
      Regulations after IOI 2003.
      Regulations after IOI 2002
      Regulations after IOI 2000.
      Amendments at IOI 1999.
      Revisions at IOI 1996.
      Regulations at IOI 1995.
      Regulations at IOI 1994
      Regulations at IOI 1993
      Regulations at IOI 1992

For purposes of comparison, one may wish to consult the Olympic Charter, which captures the fundamental principles of the International Olympic Committee, owner of the Olympic Games.

Need more info?


Not sure where to go? Click here to view some basic information on how to learn programming and prepare to win a medal at the IOI.


A couple of volunteers maintain a separate page with stats about people who participated at the International Olympiad in Informatics.


The IOI publishes a journal every year, with original high-quality scientific papers related to education, contests and algorithms.