There are various international and national indexes for assessing the status and development of young people around the world: based on the analysis, we can also see the body mass index (BMI) of the WHO, which measures overweight and obesity among adults and children.

In 2016, more than 340 million children and adolescents aged 5-19 were overweight or obese. According to 2019 estimates, 38.2 million children under the age of 5 are faced with this problem.