Inequalities has linked with participation of colorectal cancer (P-CRC) screening. However, the methods (Mets) to approach the people to come are up to date/unclear to effect of the P-CRC screening rate. Objectives: This study aims to determine socio-economic inequalities in P-CRC screening in the world. Methods: The search was conducted based on PRISMA-E 2015 criteria from the periods of 2008 and 2018. Data extraction and qualities assessment have reviewed by two experts. Results: Of six studies by socio-economic inequalities in the P-CRC screening from the study indicated that higher P-CRC screening rates have been found in females than males. In addition, the Mets to approach the people to come were reduced inequities difference to increasing the P-CRC screening rate. However, differences age, gender, income, accesses to health care have affected the P-CRC screening used to the populations across groups, and individuals/both. Conclusions and Discussions: The socio-economies risk factors were the main key points to join the P-CRC screening separating according to disparities areas.

Keywords : Socio-Economic, Inequalities, Disparities, Inequities, Colorectal Cancer Screening, Participation