Experts warn that the substantial rises in obesity rates across the world warrant concerted to reverse a troubling trend. More than half of the world’s 671 million obese individuals live in just ten countries—the USA (more than 13%), China and India (15% combined), Russia, Brazil, Mexico, Egypt, Germany , Pakistan, and Indonesia, and (listed in order of number of obese individuals). Worldwide, there has been a startling increase in rates of obesity and overweight in both adults (28% increase) and children (up by 47%) in the past 33 years, with the number of overweight and obese people rising from 857 million in 1980 to 2.1 billion in 2013, according to a major new analysis from the Global Burden of Disease Study 2013, published in The Lancet.