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Perceived control is a key component of successful aging and may serve as a protective factor against age-related declines in central domains of functioning. However, it is a largely open question whether and how perceived control changes from midadulthood to very old age and how such change is shaped by health and social contexts. To examine these questions, we apply growth models to up to 15-year 4-wave longitudinal data from the German Ageing Survey (DEAS; N= 10,081; aged 40–85 years at baseline; 49% women). Results revealed that perceived control is relatively stable in midlife, but starts to decline after midlife. Starting at 70, perceived control declines an average of a quarter of a SD per 10 years. Suffering from comorbidity and functional limitations were each associated with considerably lower perceived control. Volunteering and less loneliness were each uniquely associated with higher …