The World Diabetes Congress (WDC), organized by the International Diabetes Federation (IDF) every two years, is one of the world’s largest medical congresses. This year marks the 20th meeting which will be held in Montreal, Canada, on 18-22 October. It is expected to attract up to 15,000 delegates, more than 300 high level speakers, and representatives from over 200 diabetes member associations from more than 160 countries.