Personal memories of the atomic bombings on Japan fade with the passing of the WWII generation

Japan marked the 80th anniversary of its surrender in World War II this summer with solemn ceremonies in Tokyo and Hiroshima, underscoring how the nation is running out of time to preserve the memory of its wartime experience.

With the average age of atomic bomb survivors now more than 86, the number of voices able to directly testify about the devastation is rapidly declining.

At Tokyo’s Budokan Hall, Prime Minister Shigeru Ishiba joined about 4,500 officials, bereaved families, and their descendants for a national memorial on August 15.

Attendees observed a moment of silence at noon, the exact time Emperor Hirohito’s recorded surrender message was broadcast in 1945. Chrysanthemums were placed in memory of more than 3 million war dead.

“We will never repeat the tragedy of the war. We will never go the wrong way,” said Prime Minister Ishiba. He used the word “remorse” to describe Japan’s role, the first time the phrase has been restored to a Prime Minister’s address in more than a decade. But he offered no apology for the country’s wartime aggression across Asia.

Emperor Naruhito also spoke at the ceremony, expressing “deep remorse” and stressing the importance of conveying the ordeal of war to future generations. The Emperor has made a point of traveling in recent years to battle sites and memorials across Japan, including Okinawa, Iwo Jima, and Hiroshima.

His efforts contrast with political divisions that persist over the legacy of the war. While Prime Minister Ishiba stayed away from the controversial Yasukuni Shrine, which honors 2.5 million war dead, including convicted war criminals, dozens of lawmakers visited the site, highlighting how revisionist pushback continues to shape the political landscape.

HIROSHIMA’S ANNIVERSARY

The focus of remembrance was especially sharp in Hiroshima, where the city marked 80 years since the U.S. atomic bombing on August 6, 1945. The attack killed 140,000 people. Three days later, a second bomb destroyed Nagasaki and killed another 70,000. Japan surrendered soon after, ending a war that had consumed much of Asia.

With survivors entering their late 80s and 90s, the 80th anniversary was seen as the last major milestone that many would live to attend.

“There will be nobody left to pass on this sad and painful experience in 10 years or 20 years,” said Minoru Suzuto, 94, after praying at Hiroshima’s cenotaph.

About 55,000 people, including delegations from 120 countries and regions, attended the ceremony. At 8:15 a.m., the moment the bomb fell, the Peace Bell rang out, and a minute of silence was observed. Doves were released, and flowers were placed at the cenotaph.

U.N. Secretary General Antonio Guterres, in a message read by a representative, told participants that “remembering the past is about protecting and building peace today and in the future.”

Hiroshima Mayor Kazumi Matsui warned that reliance on nuclear weapons as a deterrent, a stance reinforced by Russia’s brutal war in Ukraine, “flagrantly disregards the lessons the international community should have learned from the tragedies of history.”

Survivors’ groups echoed his concern. Nihon Hidankyo, a grassroots organization that received the Nobel Peace Prize last year for its anti-nuclear advocacy, said the world faces “a greater nuclear threat than ever.” Members urged governments to abandon what they called misguided policies that leave the next generation vulnerable.

Despite these appeals, Japan has rejected calls to join the Treaty on the Prohibition of Nuclear Weapons, citing its reliance on the U.S. nuclear umbrella.

Prime Minister Ishiba reiterated a commitment to “a world without nuclear weapons,” but emphasized the need for deterrents given that Japan is surrounded by nuclear-armed states.

A MILWAUKEE CONNECTION

The commemorations in Japan also resonated in Milwaukee, where Sae Iino arrived in July as a new coordinator with the Japan Outreach Initiative (JOI) at the International Institute of Wisconsin (IIW).

Iino is a fourth-generation descendant, or hibaku yonsei (被爆四世), of a family that lived in an outlying area of Hiroshima. Her relatives entered the radioactive city in the wake of the bombing to help victims. Her great-grandfather, a dentist, and her great-uncle, both from Hiroshima Prefecture but from different family branches, assisted the injured in the devastated city. They were not direct atomic blast survivors – known as nyushi hibakusha (入市被爆者), but they still suffered from the aftermath.

“My mother told me how my great-grandpa and a great uncle risked their lives in the following days, but not because they felt it was their duty,” Iino said. “They chose to go to help the people who suffered so much at the time. They saw everything. The horrible things. The burned people. They dying. They tried to help them survive, but so many died.”

Iino said she only learned in recent years that her grandparents had lived through the worst parts of the war as teenagers. She grew up never hearing about their stories. Her grandfather was about 14 and her grandmother 12 when Hiroshima was destroyed under an atomic mushroom cloud.

They later moved to Tokyo to seek work, and their daughter — Iino’s mother — grew up with the shadow of Hiroshima over her family history. But she rarely spoke of it.

“My mom, when she was just a kid, was told by my grandma and grandpa what happened at the time,” Iino added. “She was really traumatized by what she heard. So she didn’t want to talk about it. She didn’t mention anything about it to me.”

That silence broke only after her grandmother’s death two years ago, when her mother began sharing more about the past and their family history. The stories left an impression on Iino, who said her great-grandfather and great-uncle chose to confront the devastation rather than turn away from it.

A NATION’S FUTURE AT RISK

While the commemorations placed attention on Japan’s past, they also underscored a challenge for its future. The nation’s population is shrinking at a pace that experts warn could alter its economy, security, and ability to sustain cultural memory.

New government data released earlier this year showed that Japan’s fertility rate fell to 1.2 in 2023, the lowest since records began in 1899. The number of babies born, just over 727,000, dropped by more than 5 percent from the year before. It was the eighth consecutive annual decline, and officials acknowledged the trend may be irreversible.

The number of marriages also fell sharply, down 6 percent to fewer than 475,000. Because births outside marriage remain rare in Japan, the decline in weddings directly affects the birth rate. Chief Cabinet Secretary Yoshimasa Hayashi described the situation as “critical” and said the next six years are the country’s last chance to possibly reverse the trend.

“The declining birth rate is not only an issue of social welfare but one that could undermine the foundation of our national strength,” Hayashi said.

The government has approved expanded financial support for families, including subsidies, greater access to childcare, and broader parental leave. More than $30 billion has been set aside in the national budget to fund the measures.

But analysts say the programs fall short of addressing the underlying issues. Economic pressures, unstable employment, and the high cost of living discourage many young people from marrying or raising children. A corporate culture that continues to place unequal burdens on women also discourages family life, experts argue.

“Simple economic measures such as an increase of subsidies are not going to resolve the serious problem of declining births,” wrote Takahide Kiuchi, an economist at Nomura Research Institute, in a recent analysis. He pointed to the persistence of traditional gender roles as a barrier to social change.

Surveys show that many young Japanese no longer prioritize marriage or children, citing job insecurity and rising expenses. As a result, the country’s population of 125 million is projected to fall by nearly one-third by 2070, to around 87 million. Four in every 10 people are expected to be 65 or older.

GENERATIONAL SHIFTS

The demographic outlook is reshaping how the nation thinks about history. The rapidly aging population means the loss of those who lived through World War II is happening at the same time Japan is confronting a shrinking future. Survivors’ organizations worry that with fewer descendants, there will be fewer caretakers of wartime memory.

In Tokyo, Hajime Eda, representing bereaved families at the August 15 ceremony, said it is Japan’s responsibility to share the lessons of conflict — the emptiness of war, the hardship of reconstruction, and the value of peace. Teenagers attended the service, some motivated by letters or stories handed down from great-grandparents who never returned from the battlefields.

That sense of duty carries over to communities abroad. In Milwaukee, Iino said she views her family’s Hiroshima history as part of a larger obligation of preserving memories. Her arrival in Milwaukee coincided with the summer anniversaries in Japan, linking her personal heritage with her professional mission to strengthen U.S.-Japan ties.

Her story highlights how descendants of survivors, both in Japan and overseas, can play a role in sustaining remembrance. It also demonstrates how cultural exchange remains critical even as Japan faces demographic pressures that threaten its long-term prospects.

MEMORY AT A CROSSROADS

The 80th anniversaries of Hiroshima and Japan’s surrender offered moments of reflection for a country caught between its legacy and unprecedented challenges ahead. Survivors voiced urgency, saying the world has not learned the lessons of nuclear devastation. Leaders spoke of peace but faced criticism for political contradictions. And a shrinking younger generation raised questions about who will inherit the responsibility to remember.

For communities far from Tokyo and Hiroshima, such as Milwaukee, those anniversaries are not distant history. Through the stories of descendants like Iino, the legacy of the atomic bomb and the lessons of World War II continue to be shared. The fading of eyewitness testimony does not mean silence, but it does raise the stakes for how memory is carried forward in Japan and abroad.