ObjectiveTo examine the impact of perceived ageism on suicidal ideation among Chinese older adults, and the chained mediating role of rumination and self-perceived aging therein.MethodsA questionnaire survey was conducted among 326 older adults using the Perceived Ageism Scale, Ruminative Responses Scale, Brief Ageing Perceptions Questionnaire and Self-rating Idea of Suicide Scale.Results(1) Correlation analysis revealed significant positive correlations among perceived ageism, rumination, self-