In this updated and extensively revised third edition, Ronald Watts provides a clear analysis of the design and operation of a wide range of federations. There is much that can he learned from the experience of federal systems throughout the world. At present there are 25 functioning federations in the world (containing over 40 percent of the world's population). A distinctive feature of the popularity of federalism in the contemporary world is that its application has taken a variety of forms and has included some new variants and innovations.
