This paper presents the results of the International Survey on Revenue Administration (ISORA) deployed during 2016 and covering fiscal years 2014 and 2015. It i

The International Survey on Revenue Administration (ISORA) collects tax administration data from national or federal tax administrations. It surveys tax adminis

This note outlines the interest of Revenue Administrations (RAs) and National Statistical Offices (NSOs) in the quality of data at their disposal, and how colla

Despite the criticality of tax administration (TA) reforms in enhancing domestic revenue mobilization, few studies have attempted to quantify the revenue impact

For ADB members in Asia and the Pacific, stronger tax systems are now more important than ever—to boost revenues enabling recovery from the economic shocks of