In this reference work factual data is combined with an analysis of all Western European political parties. Parties are grouped on a country-by-country basis, with an analytical introductory section describing the national political context in each country. Both EC and non-EC countries are covered. The reference data covers: contact information, leadership, membership, history, level and character of electoral support, organizational structure, policies and personalities. There is also a section providing similar treatment for international party groupings.