Scientists have estimated that the entire adult population of the world weighs about 633 billion pounds, about 33 billion pounds of which is due to overweight, according to a research published on Sunday.
The research, done at the London School of Hygiene and Tropical Medicine and published in the BMC Public Health journal, said the excess weight is equivalent to as many as 242 million extra people, about the entire population of Indonesia.
Even though the average weight of an adult in the world is about 137 lbs., the average weight of an adult in the United States is 178 lbs. While North America has only 6 percent of the world’s population, it accounts for 34 percent of the world’s weight due to obesity. Meanwhile, Asia has 61 percent of the world’s population, but only 13 percent of its weight is due to obesity.
The research also noted if everybody in all countries had the average weight of the United States, it would be like adding close to an extra billion people of world average weight to the planet.
Besides the obvious conclusion that Americans have more body fat than the rest of the world, the researchers said the increase in body weight could have important implications for resource requirements, including food demand.
“Our scenarios suggest that global trends of increasing body mass will have important resource implications and that unchecked, increasing BMI could have the same implications for world energy requirements as an extra 473 million people,” the researchers said in their paper. “Tackling population fatness may be critical to world food security and ecological sustainability.”
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