Vietnam is the least obese country.

Nearly one-third of the world's population is overweight or obese, and the rate is increasing, according to a survey by the Institute for Health Metrics and Evaluation at the University of Washington (USA). In 2015, in 73 countries, the number of obese people doubled compared to 1980.

The country with the highest number of obese adults is Egypt, with 35% of adults having a body mass index (BMI) of 30 or higher (normal range is 22-25). In the US, more than two-thirds of the population is overweight or obese. 13% of American children are obese, the highest rate in the world.

The country with the least obese adults is Vietnam, at just 1.6%. Bangladesh has the least obese children, at just 1.2%.

Obesity caused 4 million deaths in 2015, accounting for 7.1% of all deaths. Being overweight or obese increases the risk of cardiovascular disease, cancer, diabetes, arthritis, etc. It also weakens the immune system, making it easier to die from the flu or infectious diseases. According to research, the main causes of obesity are unhealthy eating and lack of exercise./.

According to PLO