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Purpose in life is one of the six dimensions of psychological well-being. It refers to the sense that life has meaning and direction, and that goals have been achieved or are attainable., Objective: To perform the semantic-cultural validation and internal consistency analysis of the 10-item Purpose in Life scale of Ryff and Keyes., Methods: Data were drawn from an eight-year follow-up of older adults aged ≥80 in the FIBRA Study, conducted in Campinas, Brazil., Results: The mean age of participants (N=187) was 83.81 (±3.60), mean number of years of education was 4.38 (±3.76), and mean income was 3.49 minimum wages (±2.61), comprising 125 (66.8%) females (mean purpose = 3.51 ±0.68) and 62 (33.2%) males (mean purpose = 3.58±0.60). There was no significant difference in the purpose between men and women or between educational levels. For age and income, purpose was higher in the 80- to 84-year-old group (younger age) and with income of 3-5 minimum wages (higher income). Cronbach's alpha for the scale was 0.628, indicating moderate internal consistency., Conclusion: The Purpose in Life scale was translated, adapted for use in Brazil and applied in a sample of old-old adults. Purpose seemed to be influenced by age and income., Competing Interests: Disclosure: The authors report no conflicts of interest.