A Diploma Thesis titled “Relation of the performance of road safety to medical, economic and social indicators to countries in the European Union” was presented by Myrto Damianou in July 2018. The 27 European Union Member States are studied between 2008 and 2014. Linear regression and linear mixed statistical model were developed. The results demonstrated important but different impacts of the examined indicators at the different countries and varying impact weight of these indicators.