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31 Aug 2010 description

Executive summary

We analyzed data from the locations of all Digicel mobile phones in Haiti before and after the earthquake. This report is an update of our report on population movements describing the period up to 11 March. The update extends the analyses in the original report to 18 June.

Port-au-Prince area:

The new analyzes show that there was a continuous and strong net inflow of mobile phones into the Port-au-Prince metropolitan area from the beginning of February until early May.

14 May 2010 description

Executive summary

We analyzed data from the locations of all Digicel mobile phones in Haiti before and after the earthquake. Our analyses cover the period 1 January to 11 March and include the movements of 2 million mobile phone SIM cards. We matched this data with census data and extrapolated the movement patterns to Haiti's population of 9.9 million persons.

Our results indicate that migration patterns of displaced persons are considerably different from what has previously been assumed, while the overall number of people displaced is similar to previous figures.