The Roots of Conflict in Yemen

Yemen’s current crisis is deeply rooted in decades of political instability and socio-economic grievances. The nation, historically divided between North and South Yemen, unified in 1990, but underlying tensions persisted. These divisions, coupled with struggles over governance and dwindling resources, created a fertile ground for conflict. The Arab Spring uprisings of 2011 further destabilized the country, leading to the resignation of then-President Ali Abdullah Saleh.

The ensuing power vacuum allowed the Houthi movement, a Zaydi Shia Muslim group based in northern Yemen, to expand its influence. Opposing the outcomes of UN-mediated political transitions, the Houthis seized control of Sana’a in 2014, prompting a Saudi-led coalition to intervene in March 2015 in support of the internationally recognized government. This intervention transformed a domestic political struggle into a regional proxy war, exacerbating the humanitarian situation.

Key Players in the Yemeni Conflict

• The Houthis (Ansar Allah): A Zaydi Shia movement controlling much of northwestern Yemen, receiving support from Iran.
• The Republic of Yemen Government (ROYG): The internationally recognized government, currently led by a Presidential Leadership Council (PLC) and heavily reliant on Saudi support.
• Saudi Arabia: Leading the military coalition supporting the ROYG, aiming to counter Iranian influence.
• Iran: Accused of providing financial and military support to the Houthis, though the extent of this support remains a subject of debate.
• The Southern Transitional Council (STC): A separatist group seeking independence for South Yemen, briefly challenging the ROYG before being suppressed by Saudi intervention.
• The United States: Providing logistical, intelligence, and advisory support to the Saudi-led coalition, while also attempting to mediate a peaceful resolution.

Escalation and International Response: 2023-2026

Following the October 7, 2023, attacks in Israel, the Houthis initiated a campaign targeting commercial vessels in the Red Sea, claiming solidarity with Palestinians. These attacks, utilizing drones and ballistic missiles, disrupted global shipping lanes and prompted a strong response from the United States and its allies. From March to May 2025, U.S. forces conducted strikes against Houthi targets in Yemen, aiming to degrade their capabilities. A temporary truce brokered by Oman saw the Houthis agree to cease attacks on U.S. vessels, but this proved short-lived.

In July 2025, Houthi attacks resumed, targeting non-U.S. ships and launching strikes against Israel. While a ceasefire following the October 2025 Israel-Hamas agreement brought a temporary halt to these attacks, the Houthis have signaled their willingness to resume hostilities should the conflict in Gaza reignite. Simultaneously, internal Yemeni dynamics shifted as Saudi Arabia intervened against the STC in December 2025 and January 2026, reasserting control over Aden and the eastern governorates. This intervention underscored Saudi Arabia’s growing influence within Yemen and its determination to shape the country’s future.

The U.S. response has evolved, including military action, redesignation of the Houthis as a Foreign Terrorist Organization (FTO), and support for UN Security Council resolutions aimed at curbing Houthi activities. However, the effectiveness of these measures remains contested, and the Houthis continue to pose a significant threat to regional stability. What long-term strategies can be implemented to address the root causes of the conflict and prevent future escalations?

The Humanitarian Catastrophe in Yemen

The ongoing conflict has created one of the world’s worst humanitarian crises. The United Nations estimates that over 19.5 million Yemenis – more than half the population – require humanitarian assistance. A severe funding gap has forced aid organizations to scale back critical services, exacerbating the suffering. Limits on movement and bureaucratic obstacles hinder aid delivery, particularly in Houthi-controlled areas, where aid workers have faced detention and harassment. The World Food Programme (WFP) has reportedly suspended operations in parts of northern Yemen due to security concerns and funding shortfalls.

Beyond the immediate needs of food, water, and shelter, Yemen’s healthcare system has collapsed, leaving millions vulnerable to disease and malnutrition. The conflict has also disrupted education, leaving an entire generation at risk of losing access to learning. How can the international community ensure that humanitarian aid reaches those who need it most, and what steps are necessary to rebuild Yemen’s shattered infrastructure?

Counterterrorism Concerns and Regional Security

The security vacuum in Yemen has created opportunities for terrorist groups, including Al Qaeda in the Arabian Peninsula (AQAP) and Al Shabaab. UN monitors report that AQAP maintains a pragmatic relationship with the Houthis and an alliance with Somalia-based Al Shabaab. Iran’s Islamic Revolutionary Guard Corps-Qods Force and Lebanon’s Hezbollah also have a presence in Yemen, further complicating the security landscape. The potential for these groups to exploit the chaos and instability poses a significant threat to regional and international security.

U.S. sanctions target Houthi financial networks, and officials have documented Iran’s efforts to supply the group with weaponry and support. Recent seizures of Iranian arms shipments destined for Yemen highlight the ongoing flow of external support to the Houthis. The long-term implications of this external interference remain a major concern for regional stability.

Frequently Asked Questions About the Yemen Conflict

• What is the primary cause of the conflict in Yemen?

  The conflict in Yemen is a complex interplay of factors, including long-standing political grievances, sectarian tensions, and regional power struggles, particularly the rivalry between Saudi Arabia and Iran.

• How have the Houthi attacks impacted global shipping?

  Houthi attacks on commercial vessels in the Red Sea have disrupted global trade routes, forcing ships to take longer and more expensive detours around the Cape of Good Hope, increasing shipping costs and potentially impacting supply chains.

• What role does Iran play in the Yemen conflict?

  Iran is accused of providing financial and military support to the Houthi movement, though the extent of this support is debated. This support is seen as a key factor in the Houthis’ ability to sustain their insurgency.

• What is the humanitarian situation like in Yemen?

  The humanitarian situation in Yemen is dire, with millions of people in need of food, water, shelter, and medical care. The conflict has devastated the country’s infrastructure and economy, leaving a large portion of the population vulnerable.

• What is the U.S. strategy regarding the Yemen conflict?

  The U.S. strategy involves providing support to the Saudi-led coalition, while also attempting to mediate a peaceful resolution and address the humanitarian crisis. The U.S. has also taken steps to counter Houthi attacks and disrupt Iranian support.