International Mathematical Olympiad
The oldest and most prestigious mathematical competition for high school students
70 Editions
2025 Latest
41+ Host Countries
Timeline
Browse every IMO from 1959 to present. Host cities, dates, and participation statistics.
Countries
Explore participating nations, their contact information, and hosting history.
Results
Comprehensive results by country and year. Medal counts, rankings, and statistics.
Hall of Fame
Top performers across all IMOs. Gold medalists, perfect scorers, and record holders.
Search
Find any participant by name. View their complete competition history and scores.