HIGH

Sudan–South Sudan Border War

East Africa · War · Sudan Armed Forces vs South Sudan forces/militias

The Sudan–South Sudan Border War is an active conflict in East Africa, involving Sudan Armed Forces vs South Sudan forces/militias. According to recent reporting, fighting between Sudan Armed Forces and South Sudan-aligned forces continues in border regions with reports of airstrikes and ground incursions as of early 2025.

Conflict Location

Intelligence Summary

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HIGH
Severity
War
Type
4
Headlines (48h)
1h
Last Updated

Current Status

According to recent reporting, fighting between Sudan Armed Forces and South Sudan-aligned forces continues in border regions with reports of airstrikes and ground incursions as of early 2025.

Situation 2026

  • AFP reports fighting has concentrated in oil-producing border regions with both aerial bombardment and ground offensives reported by multiple sources
  • BBC indicates Sudan Armed Forces have conducted airstrikes allegedly targeting South Sudanese military positions and allied militia groups
  • Al Jazeera reports South Sudan has denied accusations of cross-border aggression, while regional sources suggest both sides have conducted incursions
  • According to humanitarian organizations cited by DW, civilian displacement from border zones has accelerated in early 2025, with thousands fleeing active combat areas
  • Reuters cites UN officials warning of supply line disruptions affecting humanitarian access to border communities

Background

The Sudan–South Sudan border conflict reignited in 2023 following disputes over contested territories and oil-rich border zones, escalating from earlier tensions. Reuters and AFP have documented repeated cross-border military operations, airstrikes, and allegations of support for armed groups by both states. The conflict has intensified significantly through 2024-2025 with expanding territorial disputes and humanitarian deterioration.

Humanitarian Impact

  • ICRC and UN Office for the Coordination of Humanitarian Affairs (OCHA) report thousands displaced from border zones, with estimates of internal displacement mounting significantly since fighting intensified in 2025
  • AFP reports severe shortages of food, medical supplies, and clean water in affected border regions, citing humanitarian organization assessments
  • Al Jazeera documents healthcare infrastructure damage, with multiple clinics reportedly damaged or abandoned due to insecurity

Outlook

Analysts cited by Reuters and The Guardian suggest the conflict remains entrenched absent significant diplomatic intervention, with both parties maintaining military mobilization. International mediation efforts have reportedly stalled, and sources indicate humanitarian conditions will likely deteriorate further without ceasefire negotiations.

Key Actors

Sudan Armed Forces (SAF)South Sudan People's Defence Force (SSPDF)South Sudanese militia groups and armed movementsRegional powers (Egypt, Ethiopia, Kenya)UN, African Union, international mediators
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Latest Headlines

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Conflict Timeline

2011-07-09
South Sudan Independence
South Sudan secedes from Sudan following a 2005 peace agreement, creating immediate border disputes over resource-rich regions. Tensions escalate as both nations claim overlapping territories.
2012-04-15
Heglig Oil Field Battle
South Sudan captures the strategic Heglig oil field in contested territory, prompting Sudan to launch retaliatory airstrikes. The conflict marks a major escalation beyond skirmishes.
2012-06-20
Addis Ababa Ceasefire Agreement
Sudan and South Sudan sign a ceasefire agreement brokered by the African Union in Ethiopia. However, implementation remains weak with continued border clashes.
2013-12-15
South Sudan Civil War Erupts
Internal conflict in South Sudan between government forces and rebel militias creates humanitarian crisis. Border tensions with Sudan intensify amid regional instability.
2014-09-23
Renk and Malakal Fighting
Major clashes occur in border towns as South Sudanese militias clash with Sudanese forces. Thousands of civilians are displaced across the border.
2018-09-12
South Sudan Peace Deal Signed
Revitalized Agreement on the Resolution of the Conflict signed, ending internal civil war. Border tensions with Sudan gradually decrease as focus shifts to reconstruction.
2021-10-14
Border Demarcation Dispute
Both nations dispute maritime boundaries and land demarcation, with competing claims over oil-rich areas. Negotiations continue under international mediation.
2024-01-01
Ongoing Border Tensions
Sporadic skirmishes and cross-border incidents persist despite peace efforts. The border remains largely militarized with unresolved resource and territorial claims.

Frequently Asked Questions

Is there a war in the Sudan–South Sudan border right now?

Yes — the Sudan–South Sudan Border War is an active conflict currently rated HIGH severity by ConflictZone. According to recent reporting, fighting between Sudan Armed Forces and South Sudan-aligned forces continues in border regions with reports of airstrikes and ground incursions as of early 2025.

Who is fighting in the Sudan–South Sudan border?

The main parties are Sudan Armed Forces vs South Sudan forces/militias. According to recent reporting, fighting between Sudan Armed Forces and South Sudan-aligned forces continues in border regions with reports of airstrikes and ground incursions as of early 2025.

Why did the Sudan–South Sudan Border War start?

The Sudan–South Sudan border conflict reignited in 2023 following disputes over contested territories and oil-rich border zones, escalating from earlier tensions. Reuters and AFP have documented repeated cross-border military operations, airstrikes, and allegations of support for armed groups by both states. The conflict has intensified significantly through 2024-2025 with expanding territorial disputes and humanitarian deterioration.

What is happening in the Sudan–South Sudan border today?

• AFP reports fighting has concentrated in oil-producing border regions with both aerial bombardment and ground offensives reported by multiple sources • BBC indicates Sudan Armed Forces have conducted airstrikes allegedly targeting South Sudanese military positions and allied militia groups • Al Jazeera reports South Sudan has denied accusations of cross-border aggression, while regional sources suggest both sides have conducted incursions • According to humanitarian organizations cited by DW, civilian displacement from border zones has accelerated in early 2025, with thousands fleeing active combat areas • Reuters cites UN officials warning of supply line disruptions affecting humanitarian access to border communities

How many people have died in the Sudan–South Sudan Border War?

• ICRC and UN Office for the Coordination of Humanitarian Affairs (OCHA) report thousands displaced from border zones, with estimates of internal displacement mounting significantly since fighting intensified in 2025 • AFP reports severe shortages of food, medical supplies, and clean water in affected border regions, citing humanitarian organization assessments • Al Jazeera documents healthcare infrastructure damage, with multiple clinics reportedly damaged or abandoned due to insecurity

Is the Sudan–South Sudan border safe to visit in 2026?

ConflictZone rates the Sudan–South Sudan Border War as HIGH severity. Conditions in an active conflict can change quickly — check your government's current travel advisory before travelling, and see the live map for the latest reported incident locations.

What happens next in the Sudan–South Sudan Border War?

Analysts cited by Reuters and The Guardian suggest the conflict remains entrenched absent significant diplomatic intervention, with both parties maintaining military mobilization. International mediation efforts have reportedly stalled, and sources indicate humanitarian conditions will likely deteriorate further without ceasefire negotiations.

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