Fig. 1

Time trends in prevalence of childhood overweight and obesity by regions and income level worldwide. Regions and income level are categorized according to the standards of the United Nations and the World Bank, respectively. Solid lines denote observed prevalence of childhood overweight and obesity, dotted lines denote projected prevalence of childhood overweight and obesity. A Time trends in prevalence (%) of childhood overweight and obesity by regions in boys. B Time trends in prevalence (%) of childhood overweight and obesity by regions in Girls. C Time trends in prevalence (%) of childhood overweight and obesity by income level in boys. D Time trends in prevalence (%) of childhood overweight and obesity by income level in Girls