
IBD affects close to 1 in 100 Americans: an estimated 2.4 million people, including over 100,000 children and adolescents.
IBD affects close to 1 in 100 Americans. A CDC-funded study led by the Crohn’s & Colitis Foundation (the INPUT study) found IBD diagnosed in more than 0.7% of the US population (about 721 per 100,000 people), corresponding to an estimated 2.4 million Americans, including over 100,000 children and adolescents.



