This publication presents statistical data and indicators based on a number of data sources available at Eurostat (mainly related to science, technology, innovation and regions). It provides the reader with statistical information to appreciate the evolution and composition of science and technology (S&T) in Europe and its position with regard to its partners. The pocketbook is divided into nine chapters among which: Key R&D input and output indicators (R&D expenditure, R&D personnel and Government budget appropriations or outlays on R&D (GBAORD)); Patents; High Technology; regional overview of S&T, looking at the top European regions and at the best performing region of each country; human resources in S&T fields (HRST); main conclusions of the Community Innovation Statistics 2002/2003. Another chapter gives some general statistics concerning population, gross domestic product (GDP) and employment.