According to a 2015 survey of the Institute of Health Metrics and Evaluation at the University of Washington, there were about 107.7 million obese children worldwide and about 603.7 million adults. The obesity rates for children and adults were 5% and 12%. The highest adult obesity rate is in Egypt, 35.3%, the lowest country in Vietnam, 1.6%. The highest rate of obesity in children is in the United States, 12.7%, the lowest in Bangladesh, 1.2%. The world’s most obese adult countries are China and India, mainly because of the large population base. Most obese children live in the United States and China. For females, the highest proportion of obese individuals is 60 to 64 years old, for men 50 to 54 years. Compared to 1980, the population obesity rate has doubled in 73 countries. In 2015, the loss of disability-adjusted life years (DALYs) caused by overweight and obesity in the world was 120 million years, accounting for 4.9% of all DALYs, with 66.3 million DALYs resulting from cardiovascular disease.
China Bio news release, June 20, 2017