Global childhood obesity has increased over ten-fold in 40 years Global childhood obesity has increased over ten-fold in 40 years studies across 200 countries. Obesity rates, determined by body-mass The obesity rate was highest in Nauru, a tiny island country near Australia with a 33.4% obesity rate for girls, and the Cook Islands with a 33.3% obesity rate for boys. Polynesia and Micronesia followed U.S. wasn’t far behind with 19% prevalence of obesity in girls and 23% in boys, making America have the highest obesity rates in high-income countries. Girls in the U.S. had the 15th highest obesity rate This global maps shows the prevalence for obesity across the globe. This global maps shows the prevalence for obesity across the globe. Green areas WHO states that both obesity and underweight children stem from the BMI is no longer the best way to identify obesity WHO states that both obesity and underweight children stem from the same WHO has also released an Ending Childhood Obesity Implementation Plan which gives countries guidance on how to reduce childhood obesity with comparison models — found that adulthood obesity rose from 100 million obesity