Unlike in many other countries, in Bulgaria, there is no comprehensive analysis of the governance, state, efficiency and evolution of the system of Agricultural Knowledge and Innovation System (AKIS). This chapter presents the results of a large-scale study on the governance, efficiency, and development of AKIS in Bulgaria. The Governance of AKIS includes diverse governing agents, and the variety of rules, mechanisms and modes for agents, and the process of governing, and the outcome (specific order and efficiency) of the governance. First, participants in the country’s AKIS and the type of their relations are specified. Second, a diagnosis of the state and trends in AR&D is made. Third, the governance of agrarian research in Bulgaria is unpacked. Forth, the state of the system of education and training of agricultural producers in the country is analyzed. Fifth, the governance of the system of advice and consultations in agriculture is assessed. Six, results of an expert assessment on the governance of AKIS in Bulgaria are presented. Finally, the results of SWOT analysis and presented, and development strategy and intervention needs for AKIS for the next programming period are specified. Modern scientific approaches of Comparative Data and Institutional Analysis, Gap Analysis, SWOT, Strategic Orientation, Experts Assessments, etc. are used to identify actors and relations, state and trends in development, assess Strengths, Weaknesses, Opportunities, and Threats, formulate adequate strategy, and specify overall and public intervention needs of AKIS in the country. The study is based on available data from statistical sources, official reports, fields surveys as well as assessments of a panel of leading experts in the area and stakeholders’ representatives. The study has found out that AKIS of the country consists of diverse and numerous organizations, for which activities and complex relations have no sufficient official or other reliable information. In the years of EU membership, the expenditures for ARD ...