Methods: The present research is methodological and a combination of quantitative and qualitative methods. In the qualitative section, semi-structured interviews were conducted with 20 faculty members and sports officials. In the quantitative part, content validity was measured by content validity ratio using Lawshe table. Content Validity Index was measured by Waltz & Bausell method. The construct validity was calculated by exploratory and confirmatory factor analysis among 460 participants in public sports in West Azerbaijan province who were randomly selected by cluster sampling. Reliability was measured by internal consistency method by calculating Cronbach's alpha coefficient and composite reliability was performed by 40 participants of public sports in West Azerbaijan province who were non-random and convenience. Data analysis was performed in SPSS. 24 and PLS. 1.2. 3. Results: From the findings of the qualitative section, scale items were obtained. The content validity ratio was 0.73 and the Content Validity Index was 0.84. The results of factor analysis with 192 items showed 16 subscales. The reliability of the scale was obtained by internal consistency method by calculating Cronbach's alpha coefficient of subscales between 0.72 to 0.92 and composite reliability between 0.73 to 0.94. Conclusions: The" Factors Affecting Sports Poverty Scale" was developed with validity and reliability. Therefore, its use is recommended to measure and identify the factors affecting sports poverty.