Recent years have witnessed the development of new Christian Democratic movements in Northern and Eastern Europe, and the revival of those in Western Europe, which are subject to change in an increasingly secular society. The Christian Democratic parties are being required to respond to the new political challenges which address any party, such as the future of the welfare state, or the search for a new security agenda in Europe. These developments are assessed in this text, together with an analysis of the challenges the parties face, and suggestions for their future development.