Migration Flows

West & Central Africa

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Data Sources: IOM and National Authorities

The DTM Monthly Regional Update contains consolidated summary updates and highlights from DTM field operations.

The DTM Monthly Regional Update contains consolidated summary updates and highlights from DTM field operations.

This report is available in French and English. The information included in this document presents the data on migratory movements observed at the population flow monitoring point of Séguédine and Arlit active since February 2016 in the Agadez region.

Ce rapport est disponible en français et anglais.

The DTM Monthly Regional Update contains consolidated summary updates and highlights from DTM field operations.

The DTM Monthly Regional Update contains consolidated summary updates and highlights from DTM field operations.

L’OIM travaille avec les autorités nationales, locales et des partenaires locaux, afin de mieux comprendre et connaître les mouvements migratoires à travers l’Afrique de l’Ouest et du Centre.

The West and Central Africa Mobility Mapping report is a compilation of maps showing various mobility trends and mobility factors for movements to and from the West and central Africa region (forced displacement, transhumance, labour movements, etc.) This work is based on multiple data collection

This report is an analysis of 17,000 flow monitoring surveys conducted with individual crossing one of the 30 IOM Flow Monitoring Points in the West and Central Africa Region (located in Burkina Faso, Chad, Guinea, Mali, Niger, Nigeria and Senegal) between January and June 2018.

El análisis de los resultados es sobre un total de 7.691 personas de nacionalidad venezolana mayores de 18 años: en Brasil (3.711 entrevistados), Ecuador (2.344 entrevistados) y Perú (1.636

IOM conducted surveys between April and July 2018 in transit and settlement locations of nationals from the Bolivarian Republic of Venezuela. The resulting analysis was derived from the responses of 7,691 Venezuelan nationals over 18 years of age: in Brazil (3,711 respondents), Ecuador (2,344 res

In October 2018, 186,110 movements (88,965 inflows and  97,145 outflows) were tracked by IOM Flow Monitoring Points (FMPs) of Myanmar nationals between Thailand and Myanmar in the Mae Sot and Phob Phra district

A total of 12,402 undocumented Afghans spontaneously returned
or were deported from Iran through the Milak (Nimroz) and Herat
(Islam Qala) border crossings between 28 Oct—3 Nov 2018, 22%
less than in the previous week (15,905). This brings the total number

Over the reporting period, IOM maintained three strategically placed flow monitoring points (FMPs), where DTM teams monitor inflows and ouflows of IDPs, identify and register drought-affected IDP families, and provide newly arriving families with IDP Cards to facili

En estrecha coordinación con los equipos en campo del Ministerio de Relaciones Exteriores y CONMIGRANTES, se implementó el monitoreo y estimación de flujo de personas migrantes desde el monumento al Divino Salvador del Mundo hasta el “Poliedro” que divide las rutas a las distintas fronteras ofici

IOM Guyana designed the first round of the DTM process through the implementation of interviews in two regions (Barima-Waini and Demerara-Mahaica). In Region 1, interviews were conducted with the help of the Toshaos and other community leaders.

En esta segunda ronda de encuestas de caracterización de personas migrantes en tránsito, se realizaron 286 encuestas, de las cuales 20% eran con mujeres y 80% con hombres.

Between July and September 2018, a total of 45,092 migrants and refugees arrived in Europe, 14 per cent more than the 39,402 registered in the second quarter and two and a half times the 18,956 registered in the first three months of the year.

According to the compilation of available data from national authorities and IOM offices, a total of 103,450 migrants and refugess arrived in Europe between January and September 2018.

Le nombre d'individus observés aux FMPs a augmenté de 18% entre le mois de Septembre et d'Octobre 2018, passant de 16 452 individus à 19 415 individus.

A total of 15,905 undocumented Afghans spontaneously returned
or were deported from Iran through the Milak (Nimroz) and Herat
(Islam Qala) border crossings between 21-27 October 2018, 7%
more than in the previous week. This brings the total number of

Au cours du mois de septembre, les principaux motifs de déplacement des personnes transitant par les points de suivi des flux ont été: La migration saisonnière (29%), les mouvements locaux de courte durée (32%), la migration économique de plus de  6 mois (32%) et le tourisme (7%).

This weekly situation report covers the reporting period between 14 and 20 October 2018.

In September 2018, the average daily number of indiviuals observed at the Flow Monitoring Points increased by 12% compared to the previous month. Nationals from Mali, Guinea, Côte  d'Ivoire, Senegal and Gambia accounted for 81% of all the migrants recorded at the flow monitoring points.

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About is an IOM online platform designed to enhance access to Displacement Tracking Matrix (DTM) migration flow information products, including a visualization of population flows. The DTM also has a second online platform,, designed to visualize internal displacement monitored through the DTM systems; this platform facilitates a better understanding of mobility trends within a country in assessed areas.


The DTM is a system designed to track and monitor displacement and population mobility, provide critical information to decision-makers and responders during crises, and contribute to better understandings of population flows. The DTM includes four standard components – each comprising various tools and methods – that can be applied, adapted and combined as relevant in a particular context. The standard components are: (i) mobility tracking; (ii) flow monitoring; (iii) registration and (iv) surveys. Data visualized on the website is retrieved from flow monitoring exercises. 

A Flow Monitoring exercise collects information on the volume and basic characteristics of populations transiting through selected locations - referred to as Flow Monitoring Points (FMPs) – during specific observation hours. Data collected includes previous transit point(s), next destination, intended destination (when possible) and means of transportation, as well as the number, sex and nationality of migrants passing through the Flow Monitoring Point. Data is collected overtime through periodic cycles.

Once baseline data is collected through Flow Monitoring exercises. When required and as needed, Flow Monitoring Surveys (FMS) are then implemented to collect multi-layer and multi-themed data on mobile populations. FMS collect data at the individual level and include, but are not limited to, information on basic socio-economic profiles, information regarding the journey (cost, routes, modes of transport, intermediaries) and some basic data on the intentions, expectations, and perceptions of the final destination that migrants have. The findings of these surveys are used in the overall analysis presented in the IOM Flow Monitoring reports.

Map disclaimer:  Base map from Google and country shapes from ESRI are for illustration purposes only. Names and boundaries do not imply official endorsement or acceptance by IOM.



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Flow monitoring data collection and operations are funded by:

DTM Support Team


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