The aim of this study is to examine the theses prepared about lifelong learning in Turkey. For this purpose, theses on lifelong learning conducted between 2007 and 2018 in the national thesis center had been examined. 12 doctoral dissertation and 68 master theses with access permission which were reached by searching the keywords "lifelong learning" in the thesis title were evaluated. Using the document scanning method, the year, keyword, method, sample, data collection tool and data analysis methods of the theses were entered into a spreadsheet file and then analyzed. Some of the results in the research are as follows: The first theses on the subject are in 2007. Mostly, the studies were carried out between 2014 and 2018. It had been concluded that mostly the vocational and in-service training were used as the subject; mostly a quantitative method was used as the method; mostly the teachers were considered as the sample; mostly a scale was a tool for the data collection; and mostly a descriptive analysis was used as an analysis method. In addition, the distribution of subject, method and sample groups according to the years of theses is included in the research results. It was thought that this research will guide researchers and practitioners about lifelong learning.