Millions of people are living with inflammatory bowel disease

Inflammatory bowel disease (IBD) affects over 10 million people worldwide,and its prevalence is rising.2 In the UK, it is estimated that around 1 in every 250 people has ulcerative colitis (UC).3

Despite major treatment advances in the past decade, IBD remains hard to control, and up to 90% of patients with UC will have one or more relapses after the first attack.4

Explore UC further via the following links:

The global burden of IBD 

Professor Charlie Lees reviews the current IBD burden around the world, and how this is likely to grow in the future.


1. European Federation of Crohn’s & Ulcerative Colitis Associations. World IBD day report 2018. Accessed November 2020.
    http://www.efcca.org/sites/default/files/ worldibddayreport_2018web.pdf.
2. GBD 2017 Inflammatory Bowel Disease Collaborators. Lancet Gastroenterol Hepatol. 2020;5(1):17–30.
3. Pasvol TJ, Horsfall L, Bloom S, et al. BMJ Open. 2020;10:e036584. doi:10.1136/ bmjopen-2019-036584.
4. Lamb CA, Kennedy NA, Raine T, et al. Gut. 2019;68:s1–s106.