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Objective: To quantify and compare concurrent within-person trends in lifestyle risks, nutrition status, and drivers of food choice among urban migrants in Central Asia., Design: We collected panel data on household structure, drivers of food choice, nutrition knowledge, and diverse measures of nutrition status and lifestyle risk from urban migrants at 0, 3, 6, and 9 months using harmonized methodology in two cities. Trends were analyzed using mixed-effects models and qualitatively compared within and between cities., Setting: Ulaanbaatar, Mongolia and Almaty, Kazakhstan., Participants: 200 adults (22-55 years) who migrated to these cities within the past 2 years., Results: Adjusting for age and sex, each month since migration was positively associated with fasting triglycerides in Almaty (0.55 mg/dL; 95%CI: 0.13-0.94) and BMI (0.04 kg/m 2 ; 95%CI: 0.01-0.07), body-fat (0.14%; 95%CI: 0.01-0.26), and fasting glucose (0.04 mmol/L; 95%CI: 0.02-0.05) and lipids in Ulaanbaatar ( p <0.05). In Almaty, nutrition knowledge (measured using an objective 20-point scale) declined despite improvements in diet quality (measured by Prime Diet Quality Score). Influence of food availability, price, and taste on food choice increased in Almaty ( p <0.05). Upon multivariable-adjustment, nutrition knowledge was positively associated with diet quality in Almaty and adherence to "Acculturated" diet patterns in both cities ( p <0.05). Different trends in smoking, sleep quality, and generalized anxiety were observed between cities., Conclusions: Findings indicate heterogenous shifts in nutrition, lifestyles, and drivers of food choice among urban migrants in Central Asia and provide an evidence base for focused research and advocacy to promote healthy diets and enable nutrition-sensitive food environments.