Part 1 Introduction: revision of the Immigration Act and the situation of foreign workers; human rights violations; beginnings of a gradual opening; striking roots and the effects of recession. Part 2 How do foreign workers enter Japan?: role of brokers; unauthorized labour in the guise of trainees; Japanese language schools and "Shugakusei". Part 3 Situation of workers according to sector: the sex and entertainment industry; manufacturing sector; construction industry; service sector; other industries. Part 4 Foreign workers' housing and living situation: housing; formation of zones in concentrated housing; increasing role in local governments; foreigners and crime. Part 5 The Third World's structuralized labour exports: the stages of Asia's labour export; the exporting countries of Asia; Asia's host countries; Latin America. Part 6 Beyond the closed door-open door debate: the debate; trends in public opinion; resident Koreans and refugees; the theory of unavoidability.