Shahid Beheshti University Journal of Family Research 1735-8442 19 2 2023 07 23 Prediction of Marital Adjustment Based on Loneliness, Death Anxiety and Meaning of Life among Married Couple in Tehran Prediction of Marital Adjustment Based on Loneliness, Death Anxiety and Meaning of Life among Married Couple in Tehran 217 235 103586 10.48308/JFR.19.2.217 FA MohamadSajad Ghafouri Family Research Institute, Shahid Beheshti University, Tehran, Iran Ali Zadehmohamadi Family Research Institute, Shahid Beheshti University, Tehran, Iran Lily Panaghi Family Research Institute, Shahid Beheshti University, Tehran, Iran Journal Article 2022 01 29 One of the most important determinants of optimal family performance is marital adjustment. There are several factors associated with marital adjustment, including loneliness, death anxiety, and the meaning of life. The study aims to predict marital adjustment based on loneliness, death anxiety and the meaning of life. The method of this study is correlational. The statistical population of this study is all married people living in Tehran. For this purpose, 231 people were selected by available sampling method to complete the online questionnaires in cyberspace and completed the Marital Adjustment (MAT), Loneliness (UCLA), Death Anxiety (DAS) and Meaning of Life (MLQ) questionnaires. Data were analyzed using multiple regression method. The results of this study showed that marital adjustment has a negative and significant relationship with loneliness and a positive and significant relationship with meaning of life and no significant relationship with death anxiety. It also predicted variables of loneliness and meaning of life in marital adjustment. Thus, it can be concluded that the loneliness and the meaning of life play an important role in the marital adjustment of spouses. One of the most important determinants of optimal family performance is marital adjustment. There are several factors associated with marital adjustment, including loneliness, death anxiety, and the meaning of life. The study aims to predict marital adjustment based on loneliness, death anxiety and the meaning of life. The method of this study is correlational. The statistical population of this study is all married people living in Tehran. For this purpose, 231 people were selected by available sampling method to complete the online questionnaires in cyberspace and completed the Marital Adjustment (MAT), Loneliness (UCLA), Death Anxiety (DAS) and Meaning of Life (MLQ) questionnaires. Data were analyzed using multiple regression method. The results of this study showed that marital adjustment has a negative and significant relationship with loneliness and a positive and significant relationship with meaning of life and no significant relationship with death anxiety. It also predicted variables of loneliness and meaning of life in marital adjustment. Thus, it can be concluded that the loneliness and the meaning of life play an important role in the marital adjustment of spouses. https://jfr.sbu.ac.ir/article_103586_bde45ac339aafcf672cf191df864ad4e.pdf