This report presents the findings of round 36 of the Mobility Tracking component of IOM Libya’s Displacement Tracking Matrix (DTM) programme, covering March – April 2021. The reporting period also marks two years since the start of 2019 western Libya armed conflict and six months from the October 2020 permanent ceasefire agreement. As the security situation continued to be stable, by end of April 2021, no new displacements were reported as the trend of previously displaced families returning to their places of origin continued. The number of returnees identified during the reporting period increased to 642,408 individuals, compared to 623,219 returnees reported in the previous round’s report. Whereas a corresponding decline in the number of IDPs in Libya was observed, as the total number of IDPs reduced to 223,949 by April 2021 from 245,483 identified during the previous round.