The aim of the study is to determine the cultural and socio-economic factors that influence changes in aging among Iranian women. This qualitative study was part of a more extensive study designed according to grounded theory method. A purposeful, snowball and theoretical sampling technique was used. Data collection instruments were interviews and field notes. Duration of interviews differed and ranged from 38 to 110 minutes. Data collection process, coding and analysis were performed simultaneously. Collected data were analyzed using the recommended method by Corbin and Straus (1998 and 2008). The factors were formed from 6 subcategories: cultural and socio-economic status in the past, urban/rural life, companionship status, beliefs and attitudes, higher responsibilities of women and women's financial capability. This study explained the various aspects of cultural and socio-economic changes in the elderly participants based on their real experiences.