Aim This study aimed to construct and norm a questionnaire for Tendency to Lifelong Learning. Method In this study, multistage cluster random sampling method was used. The data was collected in two phases, that is, 538 undergraduate students in state Universities, such as Tehran University, Shahid Beheshti University, Shahid Chamran University, and Allameh Tabataba’ ee completed the TLL in the school year 1395-96. The Construct validity of the questionnaire was calculated using exploratory and confirmatory factor analysis. Result Based on the results of exploratory factor analysis, three factors were extracted. According to the theoretical basis, factors were named as “ Planning for learning” , “ Understanding and guidance of learning” , and “ Gratification of authority learning experience” . The reliability was calculated using Cronbach’ s alpha coefficient. The questionnaire reliability was 0. 83 in the scale, and, it was 0. 73, 0. 74, 0. 69 in the subscales respectively. Conclusion TLL is psychometrically reliable to assess the different dimensions of Tendency to lifelong learning among university students. It can be also used in experimental studies to investigate the interventions on Tendency to lifelong learning.