Based on a comparison of 11 countries in 2021, USA ranked the highest in obese population, measured as a share of total population with 42.8% followed by Mexico and New Zealand. On the other end of the scale was Japan with 4.60%, South Korea with 7.40% and Ireland with 23.0%.
Data for more countries are available at Obese Population, Measured (As % of Total Population) indicator page.
| Obese Population, Measured (As % of Total Population) | Unit | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 |
| Brazil | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 25.9% | ... | ... | ... | |||
| Canada | % | ... | ... | ... | ... | ... | ... | ... | ... | 26.9% | ... | 24.3% | ... | ... | ... | |||||||
| Hungary | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 33.2% | ... | ... | ... | ||
| Ireland | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 23.0% | ... | 23.0% | ... | ... | |||
| Japan | % | 4.20% | 4.40% | 4.00% | 4.60% | ... | ... | ... | ||||||||||||||
| Latvia | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 23.2% | ... | 24.1% | ... | 23.9% | ... | ... | |
| Mexico | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 33.1% | ... | 36.1% | ... | 36.0% | ... | ... | |||
| New Zealand | % | ... | ... | ... | ... | ... | ... | ... | 31.8% | 32.4% | 32.5% | 31.3% | 31.2% | ... | ||||||||
| South Korea | % | ... | ... | ... | ... | 5.50% | 5.40% | 5.90% | 5.90% | 7.40% | ... | |||||||||||
| USA | % | ... | ... | ... | ... | ... | ... | ... | 40.0% | ... | 42.8% | 42.8% | ... | ... | ... | |||||||
| United Kingdom | % | 26.2% | 28.7% | 27.7% | 28.0% | ... | ... | ... |
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