• Johannes MeierEmail author


The appearance of IBD varies widely with higher incidences in well-industrialized countries compared to industrializing and developing countries. A striking north-south and west-east gradient in IBD incidences can be observed. Overall the global incidence of IBD is still rising. The time of onset of CD shows two peaks (15–20 and 50–70 years) whereas the onset of UC is usually seen in the youth, affecting both sexes equally.


Epidemiology Incidence Prevalence North-south gradient Westernizing lifestyle Disease onset 

Further Media of Interest

  1. Comprehensive course on IBD epidemiology and pathology by KhanAkademie/American Association of Colleges of Nursing:
  2. Epidemiological Committee (EpiCom) of the European Crohn’s and Colitis organization (ECCO):


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of GastroenterologyDRK Kliniken Berlin I WestendBerlinGermany

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