PART 2 Off The Grid: Are today’s IDPs tomorrow’s refugees and migrants? . . . . . . . . . . . . . . . 49 || Key findings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 || Internal to cross-border displacement: A scant evidence base . . . . . . . . . 51 || Unrecognised and unrecorded: Cross-border displacement by disasters . . . . . . 53 || Common patterns and trajectories: IDPs crossing borders. . . . . . . . . . . 55 || South Sudan: A revolving door of displacement. . . . . . . . . . . . . . . . . . 57 || Same risks, different destinations: Push and pull factors . . . . . . . . . . . 59 || Returning refugees and migrants: Tomorrow’s IDPs? . . . . . . . . . . . . . 60 || Afghanistan: Cross-border return to internal displacement. . . . . . . . . . . . . 61 || Somalia: Returning ‘home’ from Dadaab camp . . . . . . . . . . . . . . . . . . 64 || Building the evidence base: A prerequisite for action . . . . . . . . . . . . . 66 Part 3 Inside the GRID: Overcoming data shortfalls . . . . . . 69 || Key findings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 || Internal displacement data: An incomplete picture . . . . . . . . . . . . . . 71 Limits in geographical coverage . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Not all causes of internal displacement are included in the global baseline . . . . . 72 Incomplete data on the start, dynamics and duration of displacement . . . . . . . 72 Difficulties detecting repeated, secondary and onward movements . . . . . . . . . 73 Limited disaggregated data on IDPs’ profile and location . . . . . . . . . . . . . . 74 || Understanding the limitations: Sources of uncertainty. . . . . . . . . . . . . 75 Why more investment is needed in monitoring over time. . . . . . . . . . . . . . 77 Outdated information on certain conflict caseloads . . . . . . . . . . . . . . . . . 77 Disasters: difficulties understanding displacement patterns over time. . . . . . . . 79 || Painting a fuller picture: Innovative solutions . . . . . . . . . . . . . . . . . 83 || #IDETECT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 || Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 || Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 || Methodological annex . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 || Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 Table 1: New displacements by country for disasters and conflict and total number of IDPs for conflict and violence. . . . . . . . . . . . . . . .113 Table 2: Largest disaster-related displacement events of 2016 . . . . . . . . . . . .117 Table 3: Conflict-related displacement in 2016. . . . . . . . . . . . . . . . . . . .118 Global report on internal displacement 2017 3

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