Japan’s future emperor comes of age, easing succession concerns
Tokyo, Japan – Japan’s Prince Hisahito officially turned 18 on Saturday, marking a critically important milestone that brings the nation closer to resolving long-standing concerns about the future of the imperial succession.As the only male heir currently in the line of succession, Hisahito’s coming of age is being widely celebrated and closely watched.
For decades, Japan has grappled with the issue of succession due to a dwindling imperial family. Emperor Naruhito only has one child, Princess Aiko, and under current laws, females are not permitted to inherit the Chrysanthemum Throne. This has led to intense debate about amending the Imperial House Law to allow female succession or adopting a system of agnatic succession – allowing children of daughters to become eligible.
Hisahito’s 18th birthday signifies his full entry into adulthood and the beginning of his official duties as a member of the imperial family. he is now eligible to serve as regent if the Emperor is incapacitated, and will eventually ascend to the throne.
“Today marks a significant step for Hisahito-sama as he embarks on his journey as an adult member of the Imperial Family,” said Chief Cabinet Secretary Yoshimasa Hayashi in a statement. “The government will continue to provide full support for Hisahito-sama as he fulfills his important role.”
The young prince has been preparing for his future role through education and exposure to public life. He recently completed his high school education at Seisho Academy,known for its tradition of educating members of the imperial family and aristocracy. He is now enrolled at the University of Tokyo, where he plans to study data science and engineering.
While Hisahito’s coming of age alleviates immediate succession anxieties, the long-term challenges remain. The imperial family continues to shrink, and the debate over succession laws is likely to continue. For now, though, Japan is focused on supporting its future emperor as he prepares to take on the responsibilities of his lineage.
Hisahito is expected to make his first public appearance as an adult at a ceremony next month, where he will address the nation. the event is anticipated to draw significant media attention and public interest, as Japan looks to its young prince to lead the imperial family into the future.In his debut news conference in March, the prince said he hopes to focus his studies on dragonflies and other insects, including ways to protect bug populations in urban areas.Japan’s Prince Hisahito Celebrates Coming-of-Age, Highlighting Succession Concerns
Hisahito was born on Sept. 6, 2006, and is the only son of Crown prince Akishino, the heir to the throne, and his wife, Crown Princess Kiko. He has two older sisters, the popular Princess Kako and former Princess Mako, whose marriage to a non-royal required her to abandon her royal status.
hisahito’s coming-of-age rituals fell a year after he turned 18, reaching legal adulthood, because he wanted to concentrate on college entrance exams.
Hisahito is the nephew of Emperor Naruhito, who has one child, a daughter, Princess Aiko.Hisahito’s father,Akishino,the Emperor’s younger brother,was the last male to reach adulthood in the family,in 1985.Hisahito is the youngest of the 16-member all-adult Imperial Family. He and his father are the only two male heirs who are younger than Naruhito. Prince Hitachi, former Emperor Akihito’s younger brother, is third in line to the throne but is already 89.The shortage of male successors is a serious concern for the monarchy, which historians say has lasted for 1,500 years.The issue reflects Japan’s rapidly aging and shrinking population.Succession to the Japanese throne has been legally limited to males sence 1889, a rule maintained by the postwar 1947 Imperial House Law which largely upholds conservative prewar family values. Experts point out structural flaws in the male-only system, noting it previously relied on concubines to produce imperial children – a practise discontinued around 100 years ago.
Currently, Princess Aiko, the popular only daughter of Emperor Naruhito and Empress masako, is ineligible to succeed her father despite significant public support. A 2005 government proposal to allow a female emperor was abandoned following the birth of Prince Hisahito, with nationalists opposing the change.
In January 2022,a conservative panel recommended maintaining male-line succession while allowing female royals to retain their status and duties after marriage,and suggested adopting male descendants from distant,defunct royal families to preserve the male lineage. However, the debate remains stalled over granting royal status to non-royals who marry princesses and their children.
This impasse places significant pressure on prince Hisahito to secure the future of the Imperial Family.
Japan’s Prince Hisahito Turns 18 in First Public Ceremony as Adult
Tokyo, Japan – Japan’s Prince Hisahito marked his 18th birthday Saturday with his first solo public appearance as an adult, participating in a customary coming-of-age ceremony at the Imperial Palace in Tokyo.
The ceremony, known as Kakan-no-Gi, signifies the prince’s transition into adulthood and his assumption of public duties. He donned a traditional black formal wear, a morning coat, for the occasion.
Prince Hisahito is the only male heir currently in the line of succession after his uncle, Crown Prince Akishino. His coming-of-age is therefore a significant moment for the Imperial Family and the nation, as it reinforces the future of the monarchy.
The ceremony included greetings from Emperor Naruhito and Empress Masako, as well as well-wishers from across the country. Prince Hisahito expressed his gratitude for the support he has received and pledged to dedicate himself to his future responsibilities.
“I am grateful to my parents, my grandparents, and all those who have supported me,” he said in a statement. “I will work hard and dedicate myself to fulfilling my duties as a member of the Imperial Family.”
The prince is currently a student at Tsukuba University, where he is studying information and communication engineering. He has also expressed an interest in pursuing further studies abroad.
Hisahito’s coming-of-age comes at a time of ongoing debate in Japan about the future of the Imperial succession. Current laws restrict the succession to male members of the Imperial Family, leading to concerns about the dwindling number of potential heirs. The prince’s birth was therefore widely celebrated, and his future role is closely watched by the public.
Japan’s Prince Hisahito Completes Coming-of-Age Rites
Tokyo, Japan – Prince Hisahito, the only male heir to the Chrysanthemum Throne, has begun a series of traditional coming-of-age rites marking his transition to adulthood. The ceremonies, steeped in Shinto tradition and imperial history, commenced on September 7, 2025, and will continue into next week.
The prince, age 22, began the day by donning traditional robes and participating in Shinto rituals.He then changed into formal Western attire – a black suit – and traveled by horse-drawn carriage to offer prayers at three shrines within the Imperial Palace grounds, according to reporting from CNN. https://www.cnn.com/2025/09/07/asia/japan-prince-hisahito-coming-of-age-rites-intl-hnk/index.html
In the afternoon, Prince Hisahito formally greeted Emperor Naruhito and empress Masako in the Matsu-no-Ma, the prestigious pine room of the Imperial Palace. He received the grand Cordon of the Supreme Order of the Chrysanthemum,a tradition established in the postwar era,and also paid respects to his grandparents,former Emperor Akihito and former Empress Michiko.
A private celebration hosted by his parents, crown Prince Akishino and Crown Princess Kiko, was held for the prince and close family members at a Tokyo hotel in the evening.
The rites will continue next week with visits to significant religious and ancient sites. Prince Hisahito is scheduled to visit Ise Grand Shrine, japan’s most sacred Shinto shrine, and the mausoleums of Emperor Jinmu, the mythical first emperor of Japan, in Nara, and Emperor Hirohito in the Tokyo suburbs. He is also expected to meet with Prime Minister shigeru Ishiba and other government officials on Wednesday.