Objectives: Stress and anxiety have well–known effects in the pathogenesis of many physical and mental disorders. Aging adults are vulnerable to the effects of a negative stressor factors so, this study aims to investigate the level of stress anxiety and depression among the elderly referred to elderly clubs of Tehran in 2009.

Methods & Materials: This is a cross-sectional study carried out on 104 aging adults, selected from elderly clubs of Tehran on 2009. Depression, Anxiety and Stress questionnaires (DASS-21), were filled out for this group. Finally obtained data was statistically analyzed by means of SPSS15 using T- test and One Way ANOVA at the significant level P≤0.05.

Results: Of the total subjects under study 24% were male, and 76% female, with a mean age of 63.37±4.32 and 65.08±4.82 years respectively. The proportion of women with high anxiety score was higher than men. There were also higher anxiety levels in illness people (P<0.001).

Conclusion: This study on depression, anxiety and stress as an indicator of lifestyle reveals high stress levels in the elderly population, which warrants appropriate planning and community-based interventions, to improve lifestyle and reduce stress level in aging adults.