This fourth edition of Health at a Glance Asia/Pacific presents a set of key indicators of health status, the determinants of health, health care resources and utilisation, health care expenditure and financing and health care quality across 27 Asia-Pacific countries and economies. Drawing on a wide range of data sources, it builds on the format used in previous editions of Health at a Glance, and gives readers a better understanding of the factors that affect the health of populations and the performance of health systems in these countries and economies.Each of the indicators is presented in a user-friendly format, consisting of charts illustrating variations across countries and over time, brief descriptive analyses highlighting the major findings conveyed by the data, and a methodological box on the definition of the indicator and any limitations in data comparability. An annex provides additional information on the demographic context in which health systems operate.This edition is a joint OECD, WHO/WPRO and WHO/SEARO publication.