The International Mathematical Olympiad (IMO) is the World Championship Mathematics Competition for High School students. It is held annually in a different country and has expanded to over 100 countries from 5 continents. The IMO Board ensures the competition takes place each year and that each host country observes the regulations and traditions.
International Mathematical Olympiad
International Mathematical Olympiad (IMO)
Overview of International Mathematical Olympiad (IMO)
📍Location
In-Person, Worldwide🌎
📅 Application deadlines
- No upcoming deadlines
💸 Costs & Aid
- The organization hosting an IMO pays for all relevant local expenses (i.e. accommodation, food and local travel). Participating teams must pay for their international travel.
- The organization hosting an IMO pays for local expenses (accommodation, food, local travel). Participating teams must pay for international travel, although some national organizations cover these costs for students.
Eligibility Requirements
📋 General Requirements
Participants must be high school students. Selection is done through national-level competitions in participating countries.
👥 Age Requirements
Participants must be less than 20 years old on the day of the second contest paper.
📚 Grade Requirements
High school student.
🌍 Eligible Countries
citizenship, residency permanent Worldwide🌎 Participants must be selected to represent a country that participates in the IMO through its national selection process. Contestants must normally be citizens or long-term residents of the country that they represent.
Application Process
Students are selected to represent their country through national mathematical olympiad competitions run in secondary schools (high schools). There is no direct application process for individual students to the IMO.
📅 IMO 2026
Duration
12 days
Program Dates
Jul 10, 2026 - Jul 21, 2026
📅 IMO 2025
Duration
11 days
Program Dates
Jul 10, 2025 - Jul 20, 2025
📅 IMO 2024
Duration
12 days
Program Dates
Jul 11, 2024 - Jul 22, 2024
📅 IMO 2023
Duration
12 days
Program Dates
Jul 2, 2023 - Jul 13, 2023