Abstract
After over 4 decades of development, nuclear power is currently at a crossroads. Different countries adopt different policies on nuclear power. A critical factor in deciding the future of nuclear power is nuclear regulations in which main parts is licensing and inspection because they are closely related to both nuclear safety and nuclear competitiveness. This paper tries to analyze general advantages and disadvantages of different licensing and inspections in three countries, namely USA, Japan and France through case studies. The paper is composed of six parts: background, case description, common features, different features, general analysis of advantages and disadvantages and conclusion.