Introduction: Yemen has a unique low-income population with several sociopolitical challenges and the association between weight disorders and sociodemographic and lifestyle factors is not clearly understood.
Aim: The aim of this study is to estimate the prevalence of obesity, overweight and underweight among Yemeni adults, and to identify their associated factors.
Methods: A cross-sectional study was conducted from 11 January to 25 March 2020, including 561 subjects of Yemen's adult population aged 18 and above, from four Yemeni governorates, who answered a questionnaire including demographic, socio-economic, and physical activity items after getting their signed consent.