[Comparison of Chronic Disease Surveillance Systems in the Republic of Korea and Major Advanced Countries].

Chronic diseases are among the leading causes of death; their rising prevalence is attributed to aging populations and Westernized lifestyles. Effective chronic disease surveillance systems are critical for providing public health data and shaping policies. In the Republic of Korea (ROK), chronic disease surveillance is conducted through various surveys; however, coordination between these systems is limited because each one is managed independently by a different agency. In contrast, major countries, such as the United States, Canada, and the United Kingdom, operate integrated surveillance systems. These systems use well-coordinated data sources to produce various indicators, track trends over time, and generate regional and group-specific estimates. A comprehensive approach in these countries allows them to observe multiple dimensions of chronic diseases and health behaviors. ROK's fragmented system struggles with integration, making it less efficient in tracking chronic disease trends. To build a more effective system, ROK should learn from the experiences of advanced countries by fostering stronger coordination with its surveillance systems. This approach would include integrating data sources and creating a centralized data portal for easy public access to chronic disease-related estimates, enabling more timely and effective public health responses.