| Continent | Country, region | Date of survey | Study population | Age (years) | Criteria | Overweight (%) | Obesity (%) | Reference | All | Boys | Girls | All | Boys | Girls |
| Africa | South Africa, Eastern Cape | 2008 | 2008 SA YRBS | 13–19 | IOTF1 | 13.3 | 4.3 | 21.1 | 4.0 | 2.0 | 5.6 | Reddy et al., 2010 [15] | South Africa, Free State | 2008 | 2008 SA YRBS | 13–19 | IOTF1 | 11.6 | 8.1 | 15.1 | 4.7 | 3.7 | 5.7 | Reddy et al., 2010 [15] | South Africa, Gauteng | 2008 | 2008 SA YRBS | 13–19 | IOTF1 | 12.7 | 10.0 | 15.4 | 9.7 | 8.4 | 11.0 | Reddy et al., 2010 [15] | South Africa, KwaZulu-Natal | 2008 | 2008 SA YRBS | 13–19 | IOTF1 | 20.1 | 8.6 | 31.5 | 5.4 | 3.4 | 7.3 | Reddy et al., 2010 [15] | South Africa, Limpopo | 2008 | 2008 SA YRBS | 13–19 | IOTF1 | 10.7 | 6.2 | 15.1 | 2.8 | 1.0 | 4.5 | Reddy et al., 2010 [15] | South Africa, Mpumalanga | 2008 | 2008 SA YRBS | 13–19 | IOTF1 | 15.5 | 10.0 | 21.1 | 6.1 | 2.3 | 9.9 | Reddy et al., 2010 [15] | South Africa, Northern Cape | 2008 | 2008 SA YRBS | 13–19 | IOTF1 | 12.9 | 7.3 | 18.3 | 5.0 | 4.4 | 5.6 | Reddy et al., 2010 [15] | South Africa, North West | 2008 | 2008 SA YRBS | 13–19 | IOTF1 | 11.8 | 7.0 | 16.7 | 3.9 | 2.2 | 5.7 | Reddy et al., 2010 [15] | South Africa, Western Cape | 2008 | 2008 SA YRBS | 13–19 | IOTF1 | 14.3 | 9.7 | 18.5 | 5.6 | 2.0 | 8.9 | Reddy et al., 2010 [15] |
| America | USA, Alaska | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 19.8 | 22.7 | 16.7 | 14.1 | 14.6 | 13.7 | Singh et al., 2010 [20] | USA, Alabama | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 18.2 | 17.6 | 18.9 | 17.9 | 24.4 | 10.9 | Singh et al., 2010 [20] | USA, Arkansas | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 17.1 | 15.0 | 19.2 | 20.4 | 27.2 | 13.2 | Singh et al., 2010 [20] | USA, Arizona | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 12.8 | 12.7 | 12.7 | 17.8 | 20.6 | 15.0 | Singh et al., 2010 [20] | USA, California | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 15.5 | 13.4 | 17.5 | 15.0 | 17.4 | 12.8 | Singh et al., 2010 [20] | USA, Colorado | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 13.0 | 17.5 | 8.5 | 14.2 | 17.5 | 10.7 | Singh et al., 2010 [20] | USA, Connecticut | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 13.2 | 14.7 | 11.7 | 12.5 | 14.8 | 10.2 | Singh et al., 2010 [20] | USA, Washington, DC | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 15.2 | 11.6 | 18.7 | 20.2 | 22.2 | 18.2 | Singh et al., 2010 [20] | USA, Delaware | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 19.9 | 22.0 | 17.8 | 13.3 | 12.2 | 14.4 | Singh et al., 2010 [20] | USA, Florida | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 14.8 | 12.7 | 17.1 | 18.3 | 21.5 | 15.0 | Singh et al., 2010 [20] | USA, Georgia | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 16.0 | 14.4 | 17.7 | 21.3 | 24.7 | 17.7 | Singh et al., 2010 [20] | USA, Hawaii | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 17.3 | 17.5 | 17.1 | 11.2 | 15.0 | 7.1 | Singh et al., 2010 [20] | USA, Iowa | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 15.3 | 14.8 | 15.9 | 11.2 | 11.3 | 11.0 | Singh et al., 2010 [20] | USA, Idaho | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 15.7 | 14.4 | 17.2 | 11.8 | 16.4 | 6.8 | Singh et al., 2010 [20] | USA, Illinois | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 14.2 | 12.1 | 16.4 | 20.7 | 25.0 | 16.3 | Singh et al., 2010 [20] | USA, Indiana | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 15.2 | 11.5 | 19.3 | 14.7 | 17.4 | 11.7 | Singh et al., 2010 [20] | USA, Kansas | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 14.9 | 16.0 | 13.7 | 16.2 | 16.2 | 16.3 | Singh et al., 2010 [20] | USA, Kentucky | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 16.1 | 17.7 | 14.6 | 21.0 | 22.5 | 19.4 | Singh et al., 2010 [20] | USA, Louisiana | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 15.2 | 15.5 | 14.9 | 20.7 | 23.1 | 18.1 | Singh et al., 2010 [20] | USA, Massachusetts | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 16.7 | 18.2 | 15.4 | 13.3 | 16.1 | 10.5 | Singh et al., 2010 [20] | USA, Maryland | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 15.2 | 19.1 | 11.1 | 13.6 | 17.0 | 9.9 | Singh et al., 2010 [20] | USA, Maine | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 15.3 | 15.6 | 14.9 | 12.9 | 16.0 | 9.8 | Singh et al., 2010 [20] | USA, Michigan | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 18.1 | 20.4 | 15.8 | 12.5 | 14.3 | 10.5 | Singh et al., 2010 [20] | USA, Minnesota | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 12.0 | 12.1 | 11.8 | 11.1 | 14.3 | 7.6 | Singh et al., 2010 [20] | USA, Missouri | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 17.4 | 16.9 | 17.8 | 13.6 | 15.5 | 11.6 | Singh et al., 2010 [20] | USA, Mississippi | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 22.6 | 21.6 | 23.5 | 21.9 | 25.5 | 18.5 | Singh et al., 2010 [20] | USA, Montana | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 13.8 | 15.0 | 12.5 | 11.8 | 16.6 | 6.6 | Singh et al., 2010 [20] | USA, North Carolina | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 14.9 | 13.9 | 16.0 | 18.6 | 19.3 | 17.9 | Singh et al., 2010 [20] | USA, North Dakota | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 14.3 | 16.9 | 11.6 | 11.4 | 15.7 | 7.0 | Singh et al., 2010 [20] | USA, Nebraska | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 15.7 | 13.9 | 17.5 | 15.8 | 23.0 | 8.1 | Singh et al., 2010 [20] | USA, New Hampshire | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 16.6 | 17.1 | 16.2 | 12.8 | 16.3 | 8.8 | Singh et al., 2010 [20] | USA, New Jersey | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 15.6 | 17.3 | 13.8 | 15.4 | 18.6 | 11.7 | Singh et al., 2010 [20] | USA, New Mexico | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 16.7 | 15.3 | 18.1 | 16.0 | 20.4 | 11.4 | Singh et al., 2010 [20] | USA, Nevada | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 19.0 | 21.9 | 16.0 | 15.2 | 19.4 | 10.8 | Singh et al., 2010 [20] | USA, New York | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 15.8 | 15.1 | 16.5 | 17.1 | 20.3 | 13.8 | Singh et al., 2010 [20] | USA, Ohio | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 14.8 | 18.7 | 10.9 | 18.5 | 22.9 | 14.2 | Singh et al., 2010 [20] | USA, Oklahoma | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 13.2 | 18.1 | 8.2 | 16.4 | 17.4 | 15.4 | Singh et al., 2010 [20] | USA, Oregon | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 14.7 | 16.2 | 13.3 | 9.6 | 11.0 | 8.2 | Singh et al., 2010 [20] | USA, Pennsylvania | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 14.7 | 15.5 | 13.7 | 15.0 | 21.0 | 8.4 | Singh et al., 2010 [20] | USA, Rhode Island | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 15.7 | 15.5 | 16.0 | 14.4 | 18.2 | 10.5 | Singh et al., 2010 [20] | USA, South Carolina | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 18.5 | 20.8 | 15.9 | 15.3 | 18.4 | 12.0 | Singh et al., 2010 [20] | USA, South Dakota | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 15.2 | 17.3 | 13.0 | 13.2 | 16.0 | 10.2 | Singh et al., 2010 [20] | USA, Tennessee | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 15.9 | 14.5 | 17.3 | 20.6 | 23.3 | 17.9 | Singh et al., 2010 [20] | USA, Texas | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 11.8 | 11.0 | 12.6 | 20.4 | 20.6 | 20.2 | Singh et al., 2010 [20] | USA, Utah | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 11.7 | 12.1 | 11.2 | 11.4 | 14.7 | 7.9 | Singh et al., 2010 [20] | USA, Virginia | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 15.8 | 16.1 | 15.4 | 15.2 | 16.6 | 13.9 | Singh et al., 2010 [20] | USA, Vermont | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 13.8 | 16.4 | 11.1 | 12.9 | 17.0 | 8.4 | Singh et al., 2010 [20] | USA, Washington | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 18.4 | 21.9 | 14.7 | 11.1 | 14.7 | 7.3 | Singh et al., 2010 [20] | USA, Wisconsin | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 14.8 | 17.3 | 12.2 | 13.1 | 15.6 | 10.5 | Singh et al., 2010 [20] | USA, West Virginia | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 16.6 | 16.9 | 16.4 | 18.9 | 21.8 | 15.7 | Singh et al., 2010 [20] | USA, Wyoming | 2007 | 2007 NSCH | 10–17 | CDC-20002 | 15.5 | 16.6 | 14.2 | 10.2 | 14.1 | 5.5 | Singh et al., 2010 [20] | Brazil, Pernambuco State | 2006 | GSHS | 14–19 | IOTF1 | 11.5 | 11.3 | 11.6 | 2.4 | 2.0 | 2.8 | Tassitano et al., 2009 [40] |
| Asia | China, Hong Kong | 2003-04 | School-based survey | 11–18 | IOTF1 | 7.1 | 9.6 | 4.9 | 2.8 | 3.9 | 1.8 |
Ko et al., 2008 [41] | CDC-20002 | 8.3 | 11.3 | 5.8 | 4.1 | 6.0 | 2.4 | India, Manipur | 2005-06 | School-based survey | 12–19 | IOTF1 | 4.4 | 4.1 | 4.7 | 0.7 | 1.0 | 0.4 | Bishwalata et al., 2010 [42] | Jordan, Irbid Governorate | 2007 | School-based survey | 13–16 | CDC-20002 | 15.7 | 11.8 | 18.9 | 8.7 | 12.3 | 5.8 | Abu Baker and Daradkeh, 2010 [43] |
| Europe | Denmark, Greater Copenhagen area and 3 municipalities outside the Capital Region | 2007–09 | School-based survey | 14–16 | IOTF1 | 14.0 | 15.2 | 12.9 | 11.2 | 14.1 | 8.2 | Søren and Jo, 2010 [44] | France, Aquitaine Region | 2004-05 | School-based survey | 11–18 | IOTF1 | 11.7 | 13.3 | 10.1 | 1.9 | 2.4 | 1.4 | Thibault et al., 2010 [45] | Greece, Crete | 2005-06 | School-based survey | 10–12 | IOTF1 | 28.0 | 30.0 | 27.0 | 13.0 | 15.0 | 10.0 | Manios et al., 2011 [46] | Hungary, Szeged and Szolnok regions | 2005-06 | School-based survey | 11–16 | IOTF1 | 16.8 | 17.9 | 15.7 | 6.6 | 7.9 | 5.2 | Baráth et al., 2010 [47] | Italy, North-West | 2002 | HBSC Study | 11, 13, 16 | IOTF1 | — | 18.3 | 7.1 | — | 2.5 | 1.1 | Vieno et al., 2005 [34] | Italy, North-East | 2002 | HBSC Study | 11, 13, 16 | IOTF1 | — | 16.5 | 11.7 | — | 0.8 | 1.5 | Vieno et al., 2005 [34] | Italy, Center | 2002 | HBSC Study | 11, 13, 16 | IOTF1 | — | 20.7 | 11.2 | — | 3.9 | 2.5 | Vieno et al., 2005 [34] | Italy, South | 2002 | HBSC Study | 11, 13, 16 | IOTF1 | — | 25.7 | 15.7 | — | 4.4 | 0.9 | Vieno et al., 2005 [34] | Italy, Islands | 2002 | HBSC Study | 11, 13, 16 | IOTF1 | — | 31.3 | 10.4 | — | 7.6 | 0.8 | Vieno et al., 2005 [34] | Italy, Sardinia | 1999–2001 | School-based survey | 11–15 | IOTF1 | 14.9 | 15.4 | 14.6 | 3.7 | 5.1 | 3.2 | Velluzzi et al., 2007 [48] | Italy, Sicily | 1999–2001 | Public school-based survey | 11–15 | CDC-20002 | 18.3 | 18.8 | 17.8 | 11.8 | 15.1 | 8.5 | Baratta et al., 2006 [49] | Poland, Kujawsko-Pomorskie | 2005 | School based survey | 13–15 | IOTF1 | 10.7 | 12.0 | 9.5 | 1.4 | 1.6 | 1.3 | Jodkowska et al., 2010 [50] | Poland, Lubuskie | 2005 | School based survey | 13–15 | IOTF1 | 11.1 | 12.2 | 10.1 | 3.0 | 2.5 | 3.5 | Jodkowska et al., 2010 [50] | Poland, Malapolskie | 2005 | School based survey | 13–15 | IOTF1 | 12.7 | 12.8 | 12.6 | 1.6 | 1.9 | 1.3 | Jodkowska et al., 2010 [50] | Poland, Podlaskie | 2005 | School based survey | 13–15 | IOTF1 | 13.9 | 14.5 | 13.3 | 2.8 | 3.1 | 2.6 | Jodkowska et al., 2010 [50] | Poland, Pomorskie | 2005 | School based survey | 13–15 | IOTF1 | 13.7 | 13.4 | 13.9 | 2.1 | 2.0 | 2.2 | Jodkowska et al., 2010 [50] | Spain, Balearic Islands | 2007-08 | School-based survey | 12–17 | WHO-20073 | 17.5 | 19.9 | 15.5 | 10.4 | 12.7 | 8.5 | Bibiloni et al., 2010 [51] | Spain, Grand Canary | 2004-05 | School-based survey | 12–14 | IOTF1 | 21.6 | 21.0 | 22.2 | 7.5 | 7.8 | 7.2 | Henríquez Sánchez et al., 2008 [52] | Switzerland, Canton of Vaud | 2005-06 | Public school-based survey | 10–14 | IOTF1 | 12.0 | 13.2 | 10.7 | 1.7 | 1.8 | 1.7 |
Lasserre et al., 2007 [53] | CDC-20002 | 10.7 | 11.9 | 9.4 | 3.6 | 4.2 | 3.0 | Turkey, Edirne Province | 2001 | Two school-based surveys | 12–17 | IOTF1 | 10.9 | 11.3 | 10.6 | 1.9 | 1.6 | 2.1 | Öner et al., 2004 [54] |
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