Dhaka, Dec. 27 -- Millions of Afghans are facing acute hunger as cuts in international aid worsen an ongoing humanitarian crisis, with nearly half the population dependent on assistance for survival.

Rahimullah, a 29-year-old former Afghan Army soldier, earns about $4.5 to $6 daily selling socks in Kabul to support his family of five. Like millions of others, he relies on aid from both Afghan authorities and international organizations. The International Committee for the Red Cross estimates that 22.9 million people in Afghanistan will need assistance in 2025.

Aid reductions, including the suspension of U.S. support for UN World Food Program operations, have left more than 17 million Afghans facing crisis-level hunger this winter, up fr...