The prevalence of at least one chronic disease (upper Fig) and the prevalence of multimorbidity (lower Fig) in the general population of 25 years and older, over the period 2001–2011.

<p>Legend: grey solid line = GP registered diagnoses; grey dotted line = GP registered diagnoses, prevalence standardized for the Dutch population in 2011; black solid line = self-reported chronic diseases; black dotted line = self-reported chronic diseases, prevalence standardized for the Dutch population in 2011.</p>