HIROSHIMA, JAPAN / RankWire.AI / – Hiroshima observed the 81st anniversary of the atomic bombing on Thursday by renewing its appeal for worldwide nuclear disarmament. Mayor Kazumi Matsui presided over the annual Peace Memorial Ceremony held at Peace Memorial Park. Survivors, families, Japanese officials, and international delegates gathered near the Atomic Bomb Dome. At 8:15 a.m., a bell rang out, marking the exact moment the bomb detonated on August 6, 1945. Attendees then observed a minute of silence in memory of those who lost their lives.
During the event, Matsui used the city’s Peace Declaration to urge leaders worldwide to reduce reliance on nuclear deterrence. He emphasized the importance of confronting the human toll caused by atomic warfare. Matsui called on nuclear-armed nations to listen to hibakusha, the survivors, and to visit Hiroshima and Nagasaki. These stories remain central to Hiroshima’s annual remembrance. The city has long used this ceremony to advocate for nuclear abolition and to remember the impact of the bombing.
Approximately 50,000 people participated this year. Delegates from 121 countries and regions attended, along with the European Union. Prime Minister Sanae Takaichi attended for the first time since becoming Japan’s leader. She stated that Japan would pursue a realistic path toward a world without nuclear weapons. Takaichi highlighted the Nuclear Non-Proliferation Treaty as a key framework for this effort. She also mentioned Japan’s three non-nuclear principles, which are well established.
Nuclear weapons diplomacy remains strained
The ceremony occurred less than three months after the 2026 Nuclear Non-Proliferation Treaty Review Conference concluded without reaching a meaningful consensus. It marked the third consecutive NPT review to end without agreement. Hiroshima pointed to this outcome as a reason to intensify disarmament efforts. Japan supports the NPT system but has not joined the Treaty on the Prohibition of Nuclear Weapons. It continues to depend on extended nuclear deterrence through its security alliance with the United States.
UN Secretary-General António Guterres also addressed the anniversary through a message at the event. UN disarmament chief Izumi Nakamitsu read it on his behalf. Guterres mentioned increasing geopolitical divisions and growing mistrust, which threaten arms control efforts. He noted that reductions in nuclear arsenals, which had continued for decades, are now reversing. The United Nations called for diplomacy, dialogue, international law, and multilateral cooperation to face renewed nuclear risks and achieve disarmament.
Survivors’ voices remain vital in Hiroshima’s remembrance
Japan officially recognizes 91,105 atomic bomb survivors, with their average age now over 86. As the number of hibakusha decreases, efforts to document their experiences have increased. Survivors have detailed the blast, fires, radiation exposure, and long-term health effects. Many continue to campaign for nuclear weapons abolition. Children representing Hiroshima joined Thursday’s ceremony and committed to peace. The city works to preserve survivor stories through museums, education, and memorial activities.
By the end of 1945, the Hiroshima bombing had claimed approximately 140,000 lives. Three days later, the United States dropped a second atomic bomb on Nagasaki, killing around 70,000 by year’s end. Japan announced its surrender on August 15, ending the war. Hiroshima later established Peace Memorial Park as a center for remembrance and peace education. On this 81st anniversary, the city reaffirmed its message promoting nuclear disarmament and highlighting the enduring human costs of atomic conflict.