Lake Chad Basin Crisis
Countries in this response
- Active DTM operation
- Past DTM operation
Check out the interactive dashboard
Nigeria - Needs Monitoring
Suite aux attaques perpétrées par des groupes armés non-étatiques présents dans le bassin du Lac Tchad, la province du Hadjer-Lamis est confrontée à d’importants déplacements de populations depuis octobre 2024.
Between 7 and 13 April 2025, a total of 1,153 new arrivals were recorded at locations in Adamawa, Borno and Yobe states.
The purpose of the emergency tracking tool is to collect information on sudden and significant displacements, mainly triggered by security and climate-related emergencies. The information is collected through key informant interviews and direct observations.
An estimated 931,846 people have crossed into Chad since the onset of the crisis in Sudan, of which 262,035 are Chadian returnees as of end of Mrach 26th, 2025.
Environ 931 846 personnes sont estimées avoir traversé la frontière vers le Tchad depuis le début de la crise au Soudan, incluant 262 035 parmi eux qui sont des retournés tchadiens jusqu’au 26 mars 2025.
Between 31 March and 6 April 2025, a total of 530 new arrivals were recorded at locations in Adamawa and Borno states.
Between 24 and 30 March 2025, a total of 891 new arrivals were recorded at locations in Adamawa and Borno states.
Between 17 and 23 March 2025, a total of 977 new arrivals were recorded at locations in Adamawa and Borno states.
Ce tableau de bord présente les résultats des enregistrements menés entre le 20 et le 25 février 2025
The purpose of the emergency tracking tool is to collect information on sudden and significant displacements, mainly triggered by security and climatic emergencies. The information is collected through key informant interviews and direct observations.
Ce rapport de bord présente un aperçu des enregistrements menées entre le 17 février et le 4 mars 2025 par
Between 10 and 16 March 2025, a total of 522 new arrivals were recorded at locations in Adamawa and Borno states.
Nigeria — North-central And North-west Zones Site Assessment Round 14
Apr 01 2025
<p>As of April 2024, DTM identified a total of 1,302,443 internally displaced persons (IDPs) in 219,445 households across Benue, Kaduna, Kano, Katsina, kogi, Nasarawa, Niger, Plateau, Sokoto, and Zamfara states. The data collection started in March 2024 in 1,733 locations, in the ten states…
Nigeria — Site Assessment — Round 48 (North-east) — IDPs and Returnee
Mar 27 2025
<p>In Round 48, a total of 2,255,595 internally displaced persons (IDPs) were identifi ed in 465,669 households. This signifi es a slight decrease of less than one per cent (or 4,068 individuals) compared to Round 47. During Round 48, IDP assessments were conducted in 2,264 locations across…
Nigeria — Return Assessment (Jan 2025) — Gombe, Taraba, and Bauchi states
Mar 20 2025
<p>As of December 2024, approximately 33,330 individuals from 5,626 households were recorded as returnees across 149 return locations. These locations include Gombe, Taraba, and Bauchi states, reflecting the ongoing movement of displaced persons back to their places of origin.</p>
Nigeria — North-central And North-west Zones Site Assessment Round 16
Mar 18 2025
<p>As of November 2024, DTM identified a total of 1,322,766 IDPs in 225,458 households across Benue, Kaduna, Kano, Katsina, Kogi, Nasarawa, Niger, Plateau, Sokoto, and Zamfara states. The data collection started in October 2024 in 1,761 locations, in the 10 states of north-central and north-…
Nigeria — North-central and North-west Return Assessment Round 1
Mar 17 2025
<p>This dashboard presents the key figures on the returnee population tracked during the IOM’s DTM return assessments in Nigeria's north-west and north-central geopolitical zones. As of December 2024, approximately 503,010 individuals from 87,626 households were recorded as returnees…
Nigeria — Site Assessment — Round 49 (North-east) — IDPs and Returnee
Mar 06 2025
<p>This report, which presents the results from Round 49 of Displacement Tracking Matrix (DTM) assessments carried out by the<br>International Organization for Migration (IOM), aims to improve understanding of the scope of internal displacement and return movements in north-east Nigeria…
Chad — Site and Village Assessment - Lac Province — Round 24
Mar 05 2025
<p>This dataset presents the results of evaluations conducted between December 9, 2024, and January 14, 2025, in 296 displacement sites and villages.</p><p>During this round, DTM identified 225,689 IDPs, 11,117 returnees from abroad, and 25,248 internal returnees.</p><p…
Cameroon - Baseline Assessment Round 28 (June-2024)
Jan 27 2025
<p>Data collection for round 28 was conducted from 19 to 30 June 2024 through 3,689 key informants, across 1,316 localities. During this round, 732,705 internally displaced individuals were identified, including 475,871 IDPs, 205,098 Returnees, and 51,736 Out-of-camp refugees</p>
Nigeria — Site Assessment — Round 47 (North-east) — IDPs and Returnee
Oct 31 2024
<p>In Round 47, a total of 2,271,987 Internally Displaced Persons (IDPs) were identified in 468,013 households. This signifies a slight decrease of one per cent (or 33,348 individuals) compared to Round 46 when 2,305,335 IDPs were recorded (December 2023). During Round 47, IDP assessments…
Nigeria — Site Assessment — Round 46 (North-east) — IDPs
Aug 16 2024
<p>In Round 46, a total of 2,305,335 Internally Displaced Persons (IDPs) were identified in 472,239 households. This signifies a slight increase of less than one per cent (or 9,801 individuals) compared to Round 45 when 2,295,534 IDPs were recorded (June 2023). During Round 46, IDP…
Nigeria — Site Assessment — Round 45 (North-east) — IDPs
Aug 16 2024
<p>As of June 2023, the DTM identified a total of 2,295,534 IDPs in 471,346 households and 2,075,257 returnees in 341,895 households. The IDP population included IDPs in camps and camp-like settings (921,201 individuals or 40%) and IDPs residing in host communities (1,374,333 individuals or…
Chad — Site and Village Assessment - Lac Province — Round 23
Aug 05 2024
<p>This dataset presents the results of evaluations conducted between May 7 and June 8, 2024, in 293 displacement locations. Comparing Round 23 with Round 22 in terms of the total displaced population, we observe a slight increase of 0.2%, which is insignificant as it represents fewer than…
Cameroon — Extrême-Nord - Multi-Sectoral Needs Assessment (MSNA) — Round 4
Apr 17 2024
<p>The round 4 data collection was conducted between August 18 and August 29, 2023, among 5,801 households in the six departments (Diamaré, Logone-Et-Chari, Mayo-Danay, Mayo-Kani, Mayo Sava, and Mayo-Tsanaga) of the Extreme North region. This was done using a questionnaire developed by IOM,…
Cameroon — Baseline Assessment — Round 27 (Aug-2023)
Apr 17 2024
<p>Data collection for round 27 was conducted from 18 to 29 August 2023 through 3,715 key informants, accross 1,283 localities. During this round, 700,766 internally displaced individuals were identified, including 453,661 IDPs, 198,940 Returnees, and 48,165 Out-of-camp refugees</p>
Chad — Site and Village Assessment - Lac Province — Round 22
Feb 29 2024
<p>From December 22nd 2023 to January 24th 2024, the DTM Chad has conducted the round 22 of Sites and Villages assessment accross 305 locations.</p><p>During this round, a total of 261,672 displaced individuals were identified, including 219.393 internally displaced persons, 25,…
Chad — Site and Village Assessment - Lac Province — Round 21
Jan 31 2024
<p>From October 5th 2023 to November 8th 2023, the DTM team in Chad has conducted the round 21 of Sites and Villages assessment accross 281 locations.</p><p>During this round, a total of 242,205 displaced individuals were identified, including 199,198 internally displaced persons…
Nigeria — Site Assessment — Round 44 (North-east) — IDPs
May 10 2023
<p>A site assessment is a sub-component of mobility tracking. It aims to collect data on population presence, living conditions and needs in a particular displacement site or community. Data collection for IDPs took place between December 2022 and February 2023 in 2,482 localities in the six…
Chad — Site and Village Assessment - Lac Province - Round 20
Sep 07 2023
This assessment was carried out in 250 locations. There was an overall increase of 2% compared to the previous round. 259,768 displaced individuals and 59,418 displaced households were identified.
Chad — Site and Village Assessment - Lac Province - Round 19
May 30 2023
This dataset contains the results of evaluations conducted between November 29, 2022 – January 9, 2023 in 245 locations. A slight increase in the number of displaced people was observed during this round 19 compared to the previous round (+6%). This is mainly explained by the displacements due to…
