IMU yakhala membala kuyambira 1922.
International Mathematical Union (IMU) idakhazikitsidwa mu 1920 ndipo idakhalapo momwe ilili kuyambira 1951.
Ndi bungwe lasayansi lapadziko lonse lomwe silili aboma komanso lopanda phindu, ndi cholinga cholimbikitsa mgwirizano wapadziko lonse mu masamu, kuthandizira ndi kuthandizira International Congress of Mathematicians, yomwe imakonzedwa zaka zinayi zilizonse, ndi misonkhano ina yapadziko lonse yasayansi kapena misonkhano, ndikulimbikitsana. ndikuthandizira masamu apadziko lonse lapansi omwe amaganiziridwa kuti angathandizire kukulitsa sayansi ya masamu m'mbali zake zilizonse, zenizeni, zogwiritsidwa ntchito, kapena maphunziro.
Mwalamulo, IMU ndi bungwe losaphatikizidwa, lodziwika ngati bungwe lothandizira ku Germany. Zochita zomwe zikuchitikabe zokhudzana ndi IMU zimasindikizidwa mu IMU Bulletins komanso m'makalata a IMU-Net omwe amatuluka kawiri pamwezi pomwe aliyense angalembetse.
IMU ili ndi makomiti ang'onoang'ono awiri, International Commission on Mathematical Instruction (ICMI) ndi Commission for Developing Countries (CDC); bungwe la International Commission on the History of Mathematics (ICHM, lomwe ndi bungwe la inter-union Commission lolowa mu IMU ndi Division of the History of Science (DHS) ya International Union for the History and Philosophy of Science (IUHPS)); Komiti Yowona Zazidziwitso Zamagetsi ndi Kuyankhulana (CEIC); ndi Komiti ya Amayi mu Masamu (CWM). Pakali pano, mayiko 79 ali Mamembala Onse a IMU. Kupitilira apo, IMU ili ndi Mamembala Othandizira 9 ndi Mamembala Othandizira asanu