The origins, powers, and structure of the G8 summit are covered. The role of the Group of Seven and Group of Eight in modern political life is analyzed. The conditions for membership of Russia and other countries in this institute are considered. The process of developing the summit agenda is presented. The relations of the Group of Seven and Group of Eight with international organizations and business circles are revealed. Documentation of intergovernmental forums, working and expert groups, as well as other sources of information about the G7/8 and G20 system are provided. For government and political figures involved in solving foreign policy problems, diplomats, international relations specialists, and employees of international organizations. Of interest to researchers of international relations and modern history.