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The IMU is an international non-governmental and non-profit scientific organization. IMU's objectives are:

To promote international cooperation in mathematics.

To support and assist the International Congress of Mathematicians and other international scientific meetings or conferences.

To encourage and support other international mathematical activities considered likely to contribute to the development of mathematical science in any of its aspects, pure, applied, or educational.

International Congress of Mathematicians (ICM) 2026 in Philadelphia, USA| 23–30 July 2026
20th IMU General Assembly in New York City, USA | 20–21 July 2026

At its meeting in Helsinki, Finland, in July 2022, the 19th IMU General Assembly voted to accept the bid from the United States of America to host ICM 2026 and the 20th IMU General Assembly, with Philadelphia as venue for the ICM and New York City for the General Assembly. The official website of the Congress is

As announced in IMU News 115, the ICM 2026 Program Committee Chair is Claire Voisin, CNRS, Institut de Mathématiques de Jussieu-Paris Rive Gauche.



International Congress of Mathematicians (ICM) 2022

The International Congress of Mathematicians 2022 (ICM 2022) took place between 6–14 July 2022 as a virtual event. Videos of the virtual ICM 2022 lectures are available to watch on the IMU's YouTube channel.

News from the community


IMU-Simons Research Fellowship Program for Developing Countries

The IMU's Commission for Developing Countries is proud to announce its new grant program the IMU-Simons Research Fellowship Program for Developing Countries, which is fully funded by the Simons Foundation as part of its Targeted Grants to Institutes scheme.

CL 24
Photo: shutterstock

IMU Reserve Fund

As decided at the 19th IMU General Assembly, an IMU Reserve Fund has been established (AO CL 24/2022) to assist Members whose dues are in arrears due to temporary extreme, adverse circumstances. The IMU accepts contributions to the fund from countries, organizations, and individuals. Further details are outlined in the regulations governing the fund.

Simons Logo

Simons Foundation

The IMU is saddened to learn of the passing of Jim Simons, co-founder of the Simons Foundation. The IMU is very grateful for the continuing support received from the Simons Foundation, especially for the IMU's activities in developing countries. Since 2013, the IMU has received very generous funding from the Simons Foundation for several travel research programs, crucial for our colleagues from developing countries, including the current IMU Simons Research Fellowship Program.

IMU EC 2024 Meeting
Photo: Kate Doyle, Sydney Mathematical Research Institute

IMU Executive Committee Meeting 2024

The IMU Executive Committee held its annual meeting over March 23-24, 2024 in Sydney Australia. The meeting was hosted by the Sydney Mathematical Research Institute (SMRI).

Abel 2024
Photo (Talagrand): Peter Bagde / Typos1 / Abel Prize 2024

Abel Prize Laureate 2024 Announced

The Norwegian Academy of Science and Letters has announced Michel Talagrand (Centre national de la recherche scientifique (CNRS), Paris, France) as the recipient of the Abel Prize for 2024.

Crafoord Prize
Photo: shutterstock

Crafoord Prize in Mathematics

ICM 2026 Program Committee Chair Claire Voisin (CNRS, Institut de Mathématiques de Jussieu-Paris Rive Gauche) has been awarded the Crafoord Prize in Mathematics 2024 by the Royal Swedish Academy of Sciences. You can watch the prize video on YouTube.

Photo: shutterstock

2024 Ramanujan Prize Nominations

Nominations for the 2024 ICTP-IMU Ramanujan Prize are now open. The deadline for receipt of nominations is 1 February 2024. The Ramanujan Prize for outstanding, young mathematicians from developing countries has been awarded annually since 2005 and is administered jointly by the ICTP and IMU.

MCA 2025

Mathematical Congress of the Americas 2025

The Mathematical Congress of the Americas (MCA) 2025 will take place over 21-25 July 2025 in Miami, USA. Further information can be found via the congress website

Tate Medal 2023
Photo: shutterstock

2023 Tate Medal

Mathematical Physicist and CDC Member Mahouton Norbert Hounkonnou selected as the winner of the 2023 Tate Medal for International Leadership in Physics by the American Institute of Physics (AIP) in March 2021.


International Day of Mathematics

The fifth edition of the International Day of Mathematics (IDM) takes place on March 14, 2024. The theme for 2024 is Playing with Math, celebrating mathematical games, puzzles and other entertaining activities, as well as "playing" with mathematics itself - exploring, experimenting, and discovering!

Framing Global Mathematics
Book cover: Springer, Cham, 2022

New book on the history of the IMU!

The book "Framing Global Mathematics: The International Mathematical Union between Theorems and Politics” by Norbert Schappacher on the history of the IMU has now been published (Springer, Cham, 2022). The IMU solicited the writing of the book to mark the occasion of the centennial of the founding of the IMU in 1920. It is available in open access and can be freely downloaded here.

Photo: shutterstock

Ad hoc Committee on Permissions

The IMU Executive Committee has created an ad hoc Committee on Permissions (CoP) to advise the IMU on a negotiating strategy regarding open access. Further information is available here.

Photo: shutterstock

Ad hoc Committee on Diversity

As announced to IMU members in AO CL 23/2020, the Executive Committee of the IMU has created an ad hoc committee called the Committee on Diversity. Further information can be found here.

IMU 100
Photo: shutterstock

Carlos E. Kenig: The International Mathematical Union (IMU) at 100

IMU President Carlos E. Kenig's article The International Mathematical Union (IMU) at 100 appeared in Notices of the American Mathematical Society Volume 67, Number 3, pages 404–407 published in March 2020.

The article is posted here with the permission of the American Mathematical Society.
Further information on Notices of the AMS can be found at

 Mathematicians of the World, Unite!

Illustrated history of the ICM

The book "Mathematicians of the World, Unite!" by G. Curbera is now electronically available on the IMU website. For more information click here

NGOsource Equivalency Determination on File

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