About 2.2 billion people worldwide are estimated to be overweight—about a third of the planet’s population—and around 712 million—about 10 percent—are obese. That’s according to one of the most comprehensive analyses on the subject, published Monday in the New England Journal of Medicine.

A large international collaboration of researchers, funded by the Bill and Melinda Gate Foundation, used thousands of data sources to show how obesity swept across the globe between 1980 and 2015. In that time, obesity doubled in 73 countries and steadily rose in most others. While adults took the lion’s share of obesity numbers, children alarming had the fastest rates of obesity increases in many countries.

Overall, excess weight caused four million deaths worldwide in 2015, nearly 40 percent of which were in people who were overweight but not obese. For the study, overweight was defined as a body-mass-index between 25 to 29, while obesity was marked by BMIs at or above 30.