People living with inflammatory bowel disease (Crohn's disease and ulcerative colitis together) worldwide, 2017

6·8 million

people, worldwide

“In 2017, there were 6·8 million (95% UI 6·4-7·3) cases of IBD globally.”

Lancet Gastroenterology & Hepatology 2020, The global, regional, and national burden of inflammatory bowel disease in 195 countries and territories, 1990-2017 (GBD 2017), 2019-10

Kind of source

Peer-reviewed study

Read on

2026-11-06

Daily check

Quote found at the source on 2026-11-06

What to know

GBD reports Crohn's disease and ulcerative colitis together as IBD, so this applies to both. GBD 2017 modelled estimate, older than GBD 2021.

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Crohn's diseaseUlcerative colitis