The crisis, now in its ninth year, has left more than half of Yemen's population, or 18.2 million people, in need of assistance.

The organizations warned of catastrophic consequences if the funding gap is not addressed.

The appeal comes before a meeting of high-ranking EU officials in Brussels to discuss Yemen's aid program.

A statement issued on Tuesday urged for urgent action to prevent catastrophic consequences for the lives of Yemeni women, children, and men due to ongoing funding gaps in the humanitarian crisis.

The conflict in Yemen, which began in 2014 when the Houthis took control of the capital Sanaa, has resulted in hundreds of thousands of deaths from both direct and indirect causes, including a lack of food.

A UN-brokered ceasefire was implemented in April 2022, leading to a decrease in hostilities, but funding gaps remain a significant concern.

The humanitarian community is calling on donors to address these gaps and provide sustainable support to enhance resilience and reduce aid dependency.

The text reports that only $435 million of the $2.7 billion needed for Yemen's 2024 Humanitarian Response Plan has been raised.

Aid groups have issued a warning of potential threats such as food insecurity, cholera, and unexploded ordnance.

The underfunding of humanitarian efforts poses a challenge to the continuity of programs, leading to delays, reductions, and suspensions of lifesaving assistance.

This directly affects the survival of millions of people in Yemen who depend on humanitarian aid.