World Obesity Federation says half a billion children will be overweight and calls on governments to act to create healthier environments World Obesity Federation says half a billion children will be overweight and calls on governments to act to create healthier environments Without drastic action more than 220 million children could have obesity by 2040, an international report has warned. Globally, in 2025 about 180 million children were obese. But new figures from the World Obesity