The European Union - a supranational system with its own institutional characteristics and autonomy - has a structure and functional logic which are more similar to those of the US than those of European nation states. Yet, by and large, the EU and the US tend to be analyzed more as potential geopolitical and economic rivals or allies than compared as institutional peers. By bringing together some of the most influential political scientists and historians to compare the European and American experiences of federalism, Democracy and Federalism in the European Union and the United States explores the future development, and seeks a better understanding, of a post-national European Union democracy. This book consists of three core parts: how the EU has developed and the implications of the process of European federalizationthe features of American federalism, tracing the intellectual debate that led to the approval of the American federal constitution in 1787the future of European Union.This is essential reading for all students of European politics, democracy and international relations.