In this study, since it is aimed to determine the general trends of the researches on critical thinking skills carried out in Turkey between the years 2018-2021, the model of the research is; It is document analysis under the heading of analytical research. In the selection of the documents, the National Thesis Search Center of the Higher Education Council, Google Academic search engine, ULAKBİM and ERIC databases were used. The data obtained in the study; Interpreted by giving frequencies with the help of figures and tables. As a result of the research; In the studies, the survey model, which is one of the quantitative research methods, was used the most, the sample was primary school 4th grade students, and the most frequently used measurement tool; It was determined that it was the Critical Thinking Scale developed by Demir (2006). In the studies, it has been seen that applications for critical thinking are mostly done in Science and Turkish lessons.In the results of the research; primary school teachers' awareness of critical thinking is high,while pre-service teachers' awareness of secondary and primary school students' awareness of critical thinking is high;on the other hand, it is stated that all of the practice-oriented studies have a significant positive effect and in the textbooks and curricula; it has been determined that critical thinking skills are not sufficiently included.