Fig. 4

Spatial–temporal trends in global childhood overweight and obesity from 1975 to 2030. Standard deviational ellipse (SDE) method was used to analyze spatial–temporal distribution of childhood overweight and obesity. Weight mean center, the global weight mean center of overweight and obesity prevalence. A Spatial–temporal trends of all children’s prevalence of overweight and obesity from 1975 to 2030. B Spatial–temporal trends of boys’ prevalence of overweight and obesity from 1975 to 2030. C Spatial–temporal trends of girls’ prevalence of overweight and obesity from 1975 to 2030