Similarly to promote continuity of care and enable Mexicans to more easily shift between insurers, user health records and other relevant information should be easily transferable and accessible among providers regardless of scheme affiliation. Wider access to user information can also make other administrative barriers to unifying the system less complicated in the future. As a result, changes in employment can potentially lead to change in scheme affiliation, around one-third of IMSS enrolees switch to Seguro Popular each year - and vice versa - for this reason.