Abstract Introduction and objectives: The objective of the present study was to investigate death anxiety, emotion regulation strategies and life quality among Iranian adults during Covid-19 outbreak; it considered the individuals’ demographic characteristics. Method: The method of the study was cross-sectional. The population included 15-50 year-old individuals in East Azarbaijan, Alborz, Isfahan, Ilam, Tehran, Khuzestan, Fars, Qazvin, Zanjan and Markazi provinces. The sample consisted of 960 individuals who were selected through snowball sampling method while using virtual social networks. They filled out WHO Quality of Life, Death Anxiety, Cognitive Emotion Regulation, and Demographic Information questionnaires. Results: The results of independent t-test showed that women were more anxious about death than men, and the life quality of men was higher than that of women. The results of one-way ANOVA showed that life quality and death anxiety during COVID-19 outbreak varied based on income and education levels, emotion regulation strategies varied based on education level, and death anxiety varied based on age and the place of residence. The coefficients showed that death anxiety and emotion regulation strategies could explain 41% of the variance of life quality among Iranian adults during COVID-19. Conclusion: Based on the findings of the study, psychological interventions are recommended to reduce death anxiety in women, middle-aged population and low-income families, to increase life quality of women and low-income families, and to reduce uncompromising emotion regulation strategies in people with a level of education lower than a bachelor's degree.
