This publication provides information on revenue bodies in Asia and the Pacific to support efforts of developing member countries to strengthen their tax administration systems.Improved tax systems can help countries in the region generate the resources needed to implement the Sustainable Development Goals. In this publication, current tax administration practices of 34 economies are presented. It also includes an analysis of the administrative frameworks, practices, and performance of revenue bodies. The analysis was largely based on survey data gathered by the Asian Development Bank in collaboration with the Organisation for Economic Co-operation and Development and the International Monetary Fund.