This summary report presents the preliminary figures for the provisional Research and Development (R&D) Expenditure and Personnel indicators in Greece in 2018. R&D statistics in Greece are produced by the National Documentation Centre, member of the Hellenic Statistical System, with the cooperation of the Hellenic Statistical Authority (ELSTAT). Data presented in this report are the data of the main indicators that have already been transmitted to Eurostat. The graphs and tables datasets are available at https://metrics.ekt.gr/research-development/datatables.