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Thursday, March 26, 2020


Global Obesity Levels

The island country of Nauru is the most obese in the world with obesity affecting 61.0% of the adult population, according to the most recent data available from the World Health Organization (WHO) as of Mar. 26, 2020. Vietnam is the least obese country with 2.1% of the population classified as obese. Among OECD countries, the United States is the most obese (36.2%).

According to WHO, more than 1.9 billion adults worldwide were overweight, including 650 million who were obese, in 2016. The prevalence of obesity tripled worldwide between 1975 and 2016.

Top 10 Most Obese OECD Countries

The OECD (Organisation for Economic Co-operation and Development) is an intergovernmental economic organization comprising 36 member countries with the goal of stimulating economic progress and world trade. The Economist magazine describes OECD as “the club of mostly rich countries.” The Telegraph says OECD members account for 80% of all world trade and investment. Below are the top 10 most obese OECD countries.


World Health Organization, “Obesity and Overweight,”, Mar. 3, 2020

World Health Organization, “Obesity: Situation and Trends,”, 2014

World Health Organization, “Prevalence of Obesity among Adults, BMI [Greater than or Equal to] 30, Age-Standardized Estimates by Country” (accessed Mar. 26, 2020)

Buttonwood, “The Economist Explains: What Is the OECD?,”, July 6, 2017

The Telegraph, “What Is the OECD?,”, Apr. 12, 2011


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