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Bar chart showing record participation at IMO 2026, with 119 participating countries.

IMO 2026 to Welcome Record Participation

IMO 2026 in China is expected to welcome 685 contestants from 119 countries, the largest participation in the competition's history.
International Mathematical Olympiad

Introducing the IMO Public Site

The International Mathematical Olympiad introduces its refreshed public website.

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Monaco Mathematics Olympiad The Principality of Monaco has recently established a Monaco Mathematics Olympiad. Travel awards to IMO 2026 The IMO Foundation funded travel awards to 35 countries to support attending IMO 2026. Expression of interest from new countries to join the IMO community Expression of interest to join the IMO community has been received from Bermuda, Kuwait, Lebanon and Mauritius.