So which developed countries have the most obese people? According to the 2013 report from the United Nations Food and Agricultural Organization, Mexico is the world’s fattest developed nation, followed by the USA.

The South Pacific island of Nauru is ranked as the world’s fattest country with 71.1 percent of its 10,000 people are obese.

Which developed country has the least number of obese inhabitants? It is Japan with 4.5% of adults are considered obese, the U.N. says.

Table:
rankings

Prevalence of overweight and obesity among adults, by region
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Here are the rest of the rankings.

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