The International Young Democrat Union (IYDU) is a global alliance of centre-right political youth organisations united by a common desire for greater freedom and less government. First established in 1981, two years before its parent organisation the International Democrat Union (IDU), then re-established in 1991, the IYDU has grow from 14 members to over 120, from more than 81 different nations.

Today, the IYDU unites diverse members with rich histories, cultures and political traditions, united by a shared commitment to freedom, and to fighting socialism. Throughout the year the IYDU hosts a number of events around the world. Current and future leaders network, discuss ideology, share ideas and build friendships. Becoming involved in IYDU demonstrates a commitment: to a better world, created through genuine democratic process.