DTM Sudan Mobility Update (21) Monthly Report (14 September 2025)

Overview:

This report provides an overview of the total population of internally displaced persons (IDPs) in Sudan, including those displaced both before and after the onset of the conflict on 15 April 2023.

The number of IDPs decreased by an estimated 15 per cent compared to highest-ever recorded population of IDPs in Sudan, as reported in Sudan Mobility Update (15) in January 2025. The decrease in IDPs is primarily due to increased return movements to Sennar, Aj Jazirah, and Khartoum states. For further information, see Return Monitoring Snapshot (7).

Key Findings:

• As of 26 August 2025, an estimated total of 9,819,680 IDPs were recorded across 10,847 locations, in 185 localities, across all 18 states in Sudan.
• An estimated 7,461,520 individuals were displaced internally within Sudan since 15 April 2023.
• Approximately 4,306,398 individuals crossed borders into neighbouring countries since 15 April 2023.
• The top states of origin were Khartoum (31%), South Darfur (21%), and North Darfur (20%).
• The highest proportion of IDPs were hosted in South Darfur (19%), North Darfur (18%), and Central Darfur (10%) states.
• Over half (53%) of IDPs were reportedly children under the age of 18-years-old.

Annex 1 includes an operational matrix with a table of estimated IDPs per state, disaggregated by displacement before versus after 15 April 2023.

Note: The number of IDPs displaced post 15 April 2023 (7,461,520 IDPs) includes IDPs who were already IDPs prior to the onset of the conflict and experienced secondary displacement.

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