The article is dedicated to analyzing the project efficiency monitoring systems used by the Asian Development Bank and the Kyrgyz Republic, focusing on their interconnection and impact on achieving the country's sustainable development goals. The aim of the research is to study the main principles and tools of project efficiency monitoring employed by the Asian Development Bank and the Kyrgyz Republic, analyze their interaction, and identify their combined effect. The practical significance of the research results is in their potential use for improving the national system of public investment management in the Kyrgyz Republic and enhancing cooperation with the Asian Development Bank in the implementation of development projects. Future research prospects include a detailed analysis of individual elements of the monitoring systems and the study of their impact on the outcomes of development projects in the Kyrgyz Republic