| Worldwide | 1 | The GBD 2013 Obesity Collaboration (2015)19 | Worldwide (188 countries) | Pool of 1769 surveys, reports and published studies (1980 to 2012) reporting on prevalence of overweight and obesity based on BMI | 2 to 80 years old | IOTF | Globally, the prevalence of overweight and obesity combined has risen by 47.1% for children between 1980 and 2013. In Oceania: Overweight: 20.35% Obesity: 5.35% | _ |
| 2 | NCD Risk Factor Collaboration (2017)5 | Worldwide (200 countries and territories) | Pool of 2416 population-based studies (1975 to 2016) with measurements of height and weight | 128.9 million participants aged 5 years and older, including 31.5 million aged 5–19 years. | WHO | Prevalence of obesity was more than 30% in girls (5–19 years old) in Nauru, Cook Islands and Palau, and boys in Cook Islands, Nauru, Palau, Niue, American Samoa in 2016. Polynesians and Micronesians had the highest mean BMI in those aged 5–9 and 10–19 years. | _ |
| Melanesia | 3 | Moase et al. (1988)20 | PNG (Goodenough Island) | Cross-sectional (1982–1983) | 1028 participants (primary school) | WHO | 15% of the student population were above standard weight/height | _ |
| 4 | Dancause et al. (2011)21 | Vanuatu: 3 islands (Ambae, Efate, Aneityum) | Cross-sectional (2007) | 375 children aged 6–12 years | WHO | Overweight or obesity in boys: 4.5% Overweight or obesity in girls: 6.3%. | |
| 5 | Weitz et al. (2012)22 | 8 islands from PNG and Solomon Islands | Cross-sectional and longitudinal (1966–1986) | 2000 participants From birth to 35 years old | CDC | BMI cross-sectional comparisons for 3 time periods: 1966–1970 / 1978–1980 / 1985 reveals that the prevalence of overweight and obesity increased substantially during the period of this study among young adults, particularly women, and in groups with more Polynesian affinities, where the frequency of overweight tripled over this 20-year interval. However, the BMI of the more Papuan groups on Bougainville remained remarkably stable. | _ |
| 6 | Tubert- Jeannin et al. (2018)23 | New Caledonia | Cross-sectional (2011–2012) | 3138 children aged 6–12 years old | WHO, IOTF | At 6 years: Overweight: 10.8%, obesity: 7.8% (WHO)
At 9 years: Overweight: 18.1%, obesity: 11.4% (WHO).
At 12 years Overweight: 22.2%, obesity: 20.5% (WHO) Overweight: 25.5 %, obesity: 25.5 (IOTF) | Ethnic group (Polynesian children are particularly at risk for obesity) |
| 7 | Fiji Ministry of Health24 | Fiji | Fiji National Nutrition Survey (2014–2015) | 1253 children aged 5–14 years old | WHO | Overweight: 7.2% Obesity: 1.7% | |
| Polynesia | 8 | Fukuyamo et al. (2005)25 | Tonga: 2 islands (Tongatapu and Niuamiddleutapu) | Cross-sectional (2002–2003) | 895 students aged 5–19 years old | IOTF, CDC | The obesity prevalence for 5–11 years old children living in Tongatapu & Niuatoputapu was, respectively, 7.1% and 7.0% in girls and 2.6% and 2.1% in boys (IOTF). The obesity prevalence for 5–11 years old children living in Tongatapu & Niuatoputapu was, respectively, 10.1% and 10.5% in girls and 5.1% and 6.3% in boys (CDC) | _ |
| 9 | Kemmer et al. (2008)26 | American Samoa | Cross-sectional (2003) | 208 children aged 5–10 years old | CDC | Mean BMI-for-age Z-score: 1.01 | - |
| 10 | Bindon et al. (1986)27 | Samoa, American Samoa, Hawaii | Cross-sectional (1979–1982) | 786 children aged 5.5–11.5 years old | HANES | The children from Western Samoa (traditional) were significantly shorter, lighter and lighter for height than their counterparts in in American Samoa (modern) and Hawaii (migrant). | Modernization, migration |
| 11 | Daigre et al. (2012)28 | 4 French Overseas Territories: Guadeloupe, Martinique, French Guiana and French Polynesia | Cross-sectional (2007–2008) | 101 children from French Polynesia aged 5 – 14 years old included in the study | WHO, IOTF, French references | Overweight: 22.8%, obesity: 20.3% (WHO) Overweight: 17.3%, obesity: 15.9% (IOTF). Overweight and obesity: 31.5% (French references) | _ |
| 12 | Ichiho et al. (2013)29 | American Samoa | Cross-sectional (2008/2009) | 3478 students from kindergarten to grade 11 | CDC | Overweight or obesity: 41.3% (grade 2), 43.9% (grade 3) and 50% (grade 5) | |
| 13 | Stewart et al. (2014)30 | Cook Islands, New Zealand | Cross-sectional (2012) | 267 children aged 1 to 14 years old from Cook Islands | WHO | Mean BMI-SDS: 1 | Environmental influences (urbanization) |
| 14 | Veatupu et al. (2019)31 | Tonga: 1 island (Ha'apai) | Cross-sectional (2017) | 35 children aged 10–12 years old | IOTF | Overweight: 14.3% Obesity: 2.9% | _ |
| 15 | Thompson et al. (2019)32 | Samoa | Cross-sectional (2017) | 83 children aged 3–7 years old | IOTF, WHO | Overweight: 17% (22.5% for boy; 11.6% for girls), obesity: 4.85% (5% for boys; 4.7% for girls) (IOTF) Overweight: 21.9% (27.5% for boy; 16.3% for girls), obesity: 11.0% (17.5% for boys; 4.6% for girls) (WHO) | Sex differences in the association among nutritional intake and body composition, physical activity was associated with body composition (less %BF), |
| 16 | French Polynesia Ministry of health33 | French Polynesia | Cross-sectional (2014) | 1768 students aged 7 to 9 years old | IOTF, French references | Overweight: 35.5%, obesity: 16% (IOTF) Overweight and obesity: 34% (French references) | Skipping breakfast, having snacks during the morning bought from shops/food trucks, to not be registered in a sports club, sleeping less than 10 hours per night. |
| 17 | Department of health and Department of Education of American Samoa34 | American Samoa | Cross-sectional (2008–2009) | 3478 students aged 7 to 16 years old | CDC | Overweight or obesity: 55.6% | Inadequate sleep, reliance on vehicles rather than walking to school, and social norms that are skewed toward accepting obesity may be major contributing factors toward the high prevalence of obesity. |
| 18 | Wallis and Futuna health Department35 | Wallis and Futuna | Cross-sectional (2020) | 406 students aged 7 to 10 years old | IOTF, WHO, CDC, French references | Overweight: 24.4%, obesity: 26.3% (IOTF) Overweight: 21.4%, obesity: 35.5% (WHO) Overweight: 13.5%, obesity: 43.1% (CDC) Overweight and obesity: 49% (French references) | |
| Micronesia | 19 | Bruss et al. (2005)36 | Commonwealth of the Northern Mariana Islands (Saipan) | Qualitative (2002) | 32 participants in focus groups (mothers, fathers, and grandparents of children 6 to 10 years old) | | Qualitative data on the perception of childhood obesity within 1 multiethnic community | Influence of sociocultural, familial, and nutritional factors on health care behaviors. |
| 20 | Novotny et al. (2007)37 | Commonwealth of the Northern Mariana Islands | Cross-sectional (2005) | 420 children aged 6 months – 10 years | CDC | Overweight: 19% | Breastfeeding (children breastfed has lower BMI) |
| 21 | Durand (2007)38 | FSM (Yap) | Cross-sectional (2006) | 1736 children aged 2 to 15 years old | WHO | 5 to 10 years Overweight: 15% (12% for boys and 19% for girls) Obesity: 19% (both for boys and girls), | |
| 22 | Paulino et al. (2008)39 | Commonwealth of the Northern Mariana Islands (Rota, Saipan and Tinian) | Cross-sectional (2005) | 393 children aged 6 months to 10 years old | CDC | Overweight or obesity: 26% (4–6 years) and 45% (7–10 years) | |
| 23 | Ichicho et al. (2013)40 | Federated States of Micronesia (State of Yap) | Cross-sectional (2008–2009) | Wa'ab community health center household survey (2006–2007): 1736 children Outer island household survey (2008–2009): 2042 children aged 2–14 years Maternal & child health, school health survey (2006–2007): 1245 students from 14 elementary schools Maternal & child health, school health survey in (2009–2010): 1415 students from elementary schools and early childhood education centers | IOTF | Overweight or obesity: 20.5% to 33.8% | |
| 24 | Paulino et al. (2015)41 | Guam | Cross-sectional (2010–2014) | 106 827 students aged 4–19 years old | CDC | Overweight: 16.0% (2010–2011) and 16.5% (2013–2014) Obesity: 23.6% (2010–2011) and 22.6% (2013–2014). | |
| 25 | Paulino et al. (2017)42 | FSM, RMI, Palau | Cross-sectional (2013–2015) | 1200 children aged 2–8 years old | CDC | Overweight or obesity: 12.9% | |
| 26 | Matanane et al. (2017)43 | Guam | Cross-sectional (2012–2013) | 466 children aged 2 – 8 years old | CDC | Overweight: 16% Obesity: 13% | Lower BMI z-scores in participants having a small market close to their residences. |
| 27 | Passmore et al. (2019)44 | Republic of Marshall Islands (Majuro islands) | Cross-sectional (2017–2018) | 3,271 children aged 4–16 years old | CDC | Overweight: 8.2% Obesity: 5.1% (4–6 years: 3.3%; 7–9 years: 4.4%, 10–12 years: 7.1%), | Obesity prevalence was higher in boys and in children attending private schools. |
| 28 | Lean Guerrero et al. (2020)45 | Guam | Cross-sectional (2013) | 865 children aged 2–8 years old | CDC | Overweight: 13.39% Obesity: 13.15% | Children with overweight or obesity were more likely to have educated caregivers and consume more sugar sweetened beverages |
| Multi PICTs | 29 | Novotny et al. (2015)46 | USAPI: Hawaii, Alaska, Commonwealth of the Northern Mariana Islands, Guam, American Samoa, Palau, Republic of the Marshall Islands (RMI), 4 Federated States of Micronesia (Pohnpei, Yap, Kosrae, Chuuk) | Systematic review | | CDC | At 8 years Obesity: 23% Overweight and obesity: 39%. | |
| 30 | Novotny et al. (2016)47 | USAPI: Hawaii, Alaska, Commonwealth of the Northern Mariana Islands, Guam, American Samoa, Palau, Republic of the Marshall Islands (RMI), 4 Federated States of Micronesia (Pohnpei, Yap, Kosrae, Chuuk) | Cross sectional (2013) | 5463 children aged 2–8 years old | CDC | Overweight: 14.4%. Obesity: 14.0% (16.3% for 6–8 years old) | race/ethnicity, age |
| 31 | Novotny et al. (2017)48 | USAPI: Hawaii, Alaska, Commonwealth of the Northern Mariana Islands, Guam, American Samoa, Palau, Republic of the Marshall Islands (RMI), 4 Federated States of Micronesia (Pohnpei, Yap, Kosrae, Chuuk) | Cross-sectional (2012) | 5462 children aged 2 – 8 years old | CDC | Obesity: 14% | sex, race, and jurisdiction income level are associated with obesity |