Addressing obesity at a population level requires coordinated efforts, with obesity prevention strategies: global trends & challenges shaping public health policies worldwide. Countries are implementing policies such as sugar taxes, front-of-package labeling, and restrictions on unhealthy food advertising to curb obesity rates. Community-based programs focusing on nutrition education and active living aim to create healthier environments. However, economic disparities, cultural factors, and food industry opposition pose significant challenges to large-scale interventions. Advances in digital health and artificial intelligence are offering innovative solutions for behavior modification and early obesity detection. Collaboration between governments, healthcare professionals, and private sectors is essential to implement effective prevention strategies. A global commitment to tackling obesity through policy reform, education, and research is critical for reversing current trends and promoting long-term public health.