This study of the national parliaments of India, Indonesia, the Philippines, South Korea, and Thailand is inspired by four major theoretical discourses: neo-institutionalism, parliamentarianism versus presidentialism, majoritarian versus consensus democracy, and transition theory. The book examines the specific role of parliaments in political decision-making, regime change, democratisation, and consolidation of democracy in a comparative perspective. It argues that parliaments play a greater part in the political decision-making than is often asserted and that there is no cogent causal relationship between parliamentary performance and system of government.