Research on the dynamics of scientific publications attracts the attention of the scientific world, and the number of studies in this area has been gradually increasing during recent years. The efficiency of scientific publications is usually evaluated through bibliometric studies. Citation indexes serve as the source of data for bibliometric research. The data used in this study is obtained from Essential Science Indicators. Essential Science Indicators provide data about the publications and citations of countries in various fields. This study evaluates the publication and citation performance of Turkey and includes various comparisons based on European Union countries. In this research, cluster analysis technique is used to determine which countries are similar in publication and citation performances. The findings indicate that England, Germany, France and Italy have the highest publication and citation performance among the European Union countries. On the other hand, Turkey has a place in the group of countries with lower citation performances in all research fields.