As of March 2026, South Sudan finds itself grappling with a deepening humanitarian crisis, a direct consequence of persistent conflict and widespread instability. The confluence of armed clashes, intercommunal violence, and economic hardship has created a dire situation for hundreds of thousands of civilians, pushing communities to the brink. This multifaceted crisis is marked by massive population displacement, a severe hunger emergency, and a concerning rise in preventable disease outbreaks, all of which are straining an already fragile healthcare system and challenging humanitarian response efforts. ## A Crisis of Displacement and Insecurity The ongoing conflict between the South Sudan People’s Defence Forces (SSPDF) and the Sudan People’s Liberation Army in Opposition (SPLA-IO) has been a primary driver of the humanitarian emergency. Since December 2025, hostilities, particularly in Jonglei State, have triggered significant population movements and severely hampered the delivery of crucial humanitarian aid. The International Organization for Migration estimates that over 276,500 people have been uprooted from their homes across Jonglei, Lakes, Upper Nile, and Central Equatoria states. Adding to this staggering figure, an alarming 110,000 individuals fled Akobo in early March, seeking refuge across the border in Ethiopia. Beyond the major armed conflicts, localized violence further exacerbates the crisis. Incidents such as attacks by armed youth in Mayom, Unity State, on Abiemnhom in the Ruweng Administrative Area, reportedly claiming over 100 lives and displacing 20,000 people into Abyei, illustrate the pervasive insecurity. Similarly, cattle-related attacks in Mundri East, Western Equatoria, resulted in dozens of deaths and the displacement of nearly 8,320 people, alongside significant livestock theft. Intercommunal clashes in Tonj North, Warrap State, also killed 20 people and forced 500 to flee, painting a grim picture of a nation caught in a cycle of violence. ## The Shadow of Hunger and Malnutrition The most immediate and devastating consequence of this displacement and conflict is the escalating crisis of hunger and acute malnutrition. Fleeing communities often arrive in displacement sites with nothing, facing severe food shortages. These overcrowded sites, lacking adequate resources, quickly become hotbeds for malnutrition and disease. The situation is particularly alarming in Nyirol County of Jonglei, where screenings of children under five revealed Global Acute Malnutrition (GAM) rates exceeding 30 per cent. This figure is more than double the World Health Organization’s (WHO) emergency threshold of 15 per cent, indicating a catastrophic level of malnutrition that puts countless young lives at extreme risk. Children suffering from severe acute malnutrition are dangerously thin for their height, have weakened immune systems, and are nine times more likely to die than well-nourished children. The long-term effects on their physical and cognitive development can be irreversible, impacting generations. Furthermore, conditions at transit centers are deteriorating rapidly. At the Renk Transit Centre, for instance, 26 deaths have been reported since January, predominantly among the elderly. These tragic losses are directly linked to severe malnutrition and critical shortages of essential medical supplies, underscoring the extreme vulnerability of those displaced and the urgent need for sustained humanitarian intervention. ## Rising Tide of Preventable Diseases Compounding the food crisis is a dangerous surge in disease outbreaks, fueled by overcrowding, poor sanitation, limited access to clean water, and weakened health services. The risk of disease spread is especially high in displacement camps where basic hygiene facilities are often nonexistent. ### Cholera's Persistent Threat Cholera remains a widespread and deadly threat across South Sudan. Since September 2024, a staggering 101,615 cases and 1,660 deaths have been reported across 55 counties. The WHO notes that the outbreak is increasingly concentrated in Jonglei and Lakes states, precisely the areas most affected by displacement. Cholera, a severe diarrheal disease caused by ingesting contaminated food or water, can lead to rapid dehydration and death if untreated. The mass movement of people, combined with damaged water infrastructure and inadequate sanitation facilities in temporary settlements, creates ideal conditions for the bacteria to spread rapidly. Effective prevention relies on access to safe drinking water, proper sanitation and hygiene practices, and oral cholera vaccines, all of which are severely compromised in conflict zones. ### Measles: A Vulnerable Population's Foe Confirmed measles cases have been reported in Ayod (Jonglei), Aweil West (Northern Bahr el Ghazal), and Abyei. Measles is a highly contagious viral disease that causes fever, rash, and can lead to severe complications such as pneumonia, diarrhea, brain damage, and blindness, especially in malnourished children. In areas where vaccination campaigns are disrupted by conflict and health services are limited, large outbreaks are inevitable. Protecting children through routine immunization is crucial, but this becomes incredibly challenging when families are constantly on the move and health facilities are non-functional or inaccessible. ### Polio's Alarming Resurgence Adding to the public health concerns, health partners reported suspected polio cases in Renk County, Upper Nile, on March 18. The global effort to eradicate polio – a debilitating viral disease that can cause irreversible paralysis – has been one of public health’s greatest achievements. However, pockets of insecurity and population movement can allow the virus to resurface. Any suspected case immediately triggers an emergency response, including extensive surveillance and vaccination campaigns, to prevent wider transmission and safeguard children from this devastating disease. The appearance of suspected cases highlights the fragility of health systems and the need for continuous vigilance. ## Challenges to Humanitarian Aid The ability of humanitarian organizations to respond effectively is severely hampered by the ongoing violence and logistical challenges. Conflict zones are often inaccessible, putting aid workers at risk and preventing the delivery of life-saving supplies. Economic factors further complicate the situation: sharp increases in fuel prices, driven by new customs duties and fears over supply, have significantly raised transport costs. Fuel prices surged from 6,800 to 11,500 South Sudanese Pounds per liter between February and March alone. This, in turn, escalates the cost of delivering aid and contributes to soaring food prices, making basic necessities unaffordable for many and deepening the humanitarian crisis. ## The Call for Action and Resilience South Sudan's humanitarian crisis is a complex emergency demanding urgent and sustained attention from the international community. Addressing the root causes of conflict and ensuring safe access for humanitarian organizations are paramount. Immediate priorities include providing emergency food assistance, therapeutic feeding for malnourished children, clean water, sanitation and hygiene services, and rapid vaccination campaigns to control disease outbreaks. Supporting local health infrastructure and ensuring the protection of civilians, including aid workers, are also critical. Despite the immense challenges, the resilience of the South Sudanese people endures, yet they cannot face this multi-layered crisis alone. A concerted global effort is essential to alleviate suffering and pave the way for a more stable and healthy future.