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The objective of this study was to identify preferences for physical activity among adults aged 65 years and over. A systematic review was conducted. A search strategy without language and date restriction (up until March 31, 2017) was developed for PubMed, CINAHL, PsycINFO, ERIC, and SPORTDiscus. Study selection and data extraction were performed independently by two reviewers. A total of 21 independent primary studies were included in the systematic review. Irrespective of the methodologies used and samples, a majority of older adults prefer to walk and engage in physical activity continuously for about 30 min. These findings are mainly generalizable to White females from the United States. Two-thirds of the studies were at high risk of selection bias, which suggests additional caution when interpreting the review findings. Nonetheless, policymakers, community organizations, and healthcare providers …