Abstract Background The Seguro Popular (SP) was launched in 2004 to increase access to healthcare and reduce catastrophic expenditures among the Mexican population. To document the evidence on its effectiveness. we conducted a systematic review of impact evaluations of the SP. Methods We included papers using rigorous quasi-experimental designs to assess the effectiveness of the SP. https://www.diegojavierfares.com/mega-choice-Flamin-Fury-reg-Peach-Tree-hot-choice/