Lifelong learning programs for older adults are suggested as a promising strategy to promote successful and active aging. This observational study utilized cross-sectional data from a nationwide survey administered to adults aged 65 and older who were recruited through nine Osher Lifelong Learning Institutes (OLLI). Data collected included general demographics, and measures of physical and mental health, cognitive ability, meaning and purpose, cognitive reserve, and successful aging. Descriptive characteristics of the population revealed a predominantly White, female population, the majority of whom were married, retired, and reported high levels of educational attainment. Participants reported high levels of physical and mental health, and meaning and purpose as measured by PROMIS® measures. High levels of cognitive reserve, self-reported cognitive ability, and successful aging were also found in this sample. Using references to the general aging adult population comparative analyses found OLLI participants reported significantly higher physical health and mental health, and cognitive reserve scores. This study provides additional context for understanding characteristics of older adults who are cognitively aging well.