Since 1984, the World Bank has financed 87 Financial Management Information System (FMIS) projects in 51 countries totaling over US $2.2 billion, of which US $938 million was for FMIS related information and communication technology (ICT) solutions. This study presents the World Bank's experience with these investment operations to share the achievements and challenges observed, and provide guidance for improving the performance of future projects. The report is structured according to four overarching questions: -What historical patterns emerge from World Bank financed Treasury/FMIS...