The article is devoted to the study of the factors of social activity of the senior citizens in Tomsk region. Correlation of wellbeing indicators of the senior citizens allows evaluating the impact of various spheres on the life of the elderly people and identifying priorities for continuous wellbeing. The links of social activity indicators of the senior citizens were identified on the basis of a specially designed questionnaire during the sociological survey. On the basis of mathematical statistics methods significant links of ranked social activity indicators were revealed, their 4-factor model was built in the article. Based on parametric criteria homogeneity of social activity by nominal indicators (gender, occupation, place of residence) was assessed. For all tested indicators heterogeneity of social activity of the elderly people was identified.