Introduction: Due to significant motor difficulties in performing physical activities (PA), children with developmental coordination disorder (DCD) have been found to be at greater risk of physical inactivity, compare to typically developing (TD) children. A variety of measurements have been used to investigate PA in this special childhood population. However, there is still a lack of synthesised evidence regarding objectively measured PA in children with DCD. Therefore, this study was to conduct a systematic review and meta-analysis to understand the difference in objectively measured PA between children with and without DCD and to identity the correlates which may be associated with PA in children with DCD. Methods: A systematic literature search from four databases (PubMed, Science Direct, Web of Science, and Cochrane library) was conducted in November 2022. A total of 12 articles met the inclusion criteria for the systematic review, 10 of which were further entered into the meta-analysis to obtain pooled effect estimates. Results & Conclusion: Overall mean difference in moderate to vigorous PA (MVPA) between two groups was -0.17 (95% CI: -0.25 to -0.09, I^2 = 48.7%, p = 0.029), indicating that children with DCD significantly had the lower MVPA level. When subgroup analysis of age was further conducted (i.e., school-aged vs. preschool), there was a significant moderation of age (p = 0.007) on the relationship between DCD and MVPA. A significant pooled effect size with no heterogeneity was found in school-aged children (i.e., 6-14 years old) (standardized mean difference (SMD) = -0.27, 95% CI: -0.38 to -0.16, I^2 = 43.1%, p = 0.08), indicating the significant difference in MVPA between children with DCD and TD only existed in the school-aged population. In addition, evidence synthesized from the included studies identified some potential PA correlates for children with DCD, including internal factors (e.g., movement impairment, psychological problems, sex, strength, body mass index) and external factors (e.g., activity types and parental factors). In summary, children with DCD spent significantly less time participating in MVPA, specifically those children aging between 6 and 14 years, when compared with TD children. These findings help raise the awareness for the parents and physicians toward insufficient participation in PA in children with DCD and highlight the importance of early identification of these children. Furthermore, the modifiable internal and external risk factors that were identified in this study would provide the practical implications for the development of interventions/ strategies targeting the improvement in PA.