Fig. 5From: Global, regional, and national trends and patterns in physical activity research since 1950: a systematic reviewMismatch between world population and physical activity scientific publications from 1950 to 2019 about here. Legend: Countries in this density equalizing map are resized according to the average population between 1950 and 2019 and the total number of physical activity articles between 1950 and 2019 according to the Gastner and Newman algorithmBack to article page