Denying the Empress: Japanese Government Choos Distant Male Heirs Over Its Most Popular Princess

While aimed at preserving a 1,500-year-old tradition, the decision has sparked intense domestic backlash, with critics warning it could doom the fast-aging, rapidly shrinking imperial family.

The Core of the Crisis

The Japanese monarchy is currently facing a demographic dead end. Under the 1947 version of the Imperial House Law which carried over strict patriarchal rules first codified in 1890, only males who belong to the paternal line of the imperial bloodline can become Emperor.

Princesses who marry commoners are stripped of their royal status and forced to leave the household entirely.

Now  out of just 16 remaining adult members in the imperial family, only five are men.

A Fragile Future

Following the current Emperor Naruhito, the line of succession is precariously thin, consisting of only three heirs:

60-year-old Crown Prince Akishino, the Emperor’s younger brother, who is only six years younger than Naruhito and has expressed reservations about taking the throne at an advanced age.

19-year-old Prince Hisahito , Akishino's son and the Emperor’s nephew. He is the centerpiece of the entire system, having been the only male royal baby born into the family in the last four decades. If he does not father a son in the future, the unbroken male line will end.

90-year-old Prince Hitachi , the Emperor’s elderly uncle, who is not viewed as a viable option for active, long-term rule.

And there's also 24-year-old Princess Aiko, beloved by the Japanese people. But as mentioned, women in Japan do not inherit the throne. And although the country has been discussing the need to change this procedure for years, the extremely conservative government hasn't even discussed the possibility.

The Prime Minister is personally opposed, even though she has personally disrupted traditional Japanese political traditions, becoming the first woman in the country's history to hold this position.

Parliament’s Controversial Solution

To bypass the extinction of the lineage without allowing women to rule, the Japanese government introduced two key legal mechanisms.

The law now permits the imperial family to adopt unmarried male descendants (aged 15 or older) from distant imperial branch families—but strictly from the paternal line.

These 11 branch families renounced their royal status in 1947 to ease post-WWII financial burdens. Strikingly, their common male ancestor with the current Emperor dates back over 600 years, making them 36 generations removed from Naruhito.

Also  the government introduced status retention for Princesses. That means that five single princesses—including the Emperor’s daughter, Princess Aiko—will now be allowed to retain their royal status and continue their official duties even if they marry commoners.

However, a major patriarchal caveat remains: their husbands and any future children will not be granted royal status, meaning their sons are still barred from the throne.

Public Backlash and the "Aiko" Factor

The government's decision heavily clashes with public opinion. Princess Aiko is immensely popular, and a vast majority of the Japanese public favors changing the law to allow her to become the reigning Empress. Japan has historically had eight female monarchs, the last ruling in the 18th century, making the absolute ban on female rulers a relatively modern legal construct rather than an ancient absolute.

Prominent critics and royal experts have slammed the new laws. Monarchy expert Hideya Kawanishi of Nagoya University called the legislation "a declaration to defend the male-lineage at all costs," dismissing the appeal to tradition as masked male chauvinism.

Renowned feminist scholar Chizuko Ueno criticized the system as inhumane, stating it "treats male royals as stallions and puts female royals under pressure as 'childbearing machines' to produce male offspring."

The immense psychological pressure of the system is well-documented. Emperor Naruhito’s wife, Empress Masako, suffered from a years-long, stress-induced mental condition stemming from intense palace criticism over her initial inability to produce a male heir.

Furthermore, the plan to adopt distant relatives faces severe practical hurdles. Life inside the Japanese imperial palace is notorious for being an "enclave without human rights," where royals have no freedom to choose their careers, residences, or private lives.

Asahiro Kuni, an 81-year-old whose family lost their royal status in 1947, publicly stated he would advise his descendants to reject any palace invitations. "You are asked to sacrifice your life for the happiness of the people," Kuni said. "It's cruel to tell a 15-year-old to change the course of their life."

The current Emperor Naruhito has subtly signaled his desire for a conclusion that "gains the understanding of the people,"  but the government’s rigid adherence to the male-only line has set the stage for a precarious future of the world's oldest monarchy.

\ Sources: Japan Today, CNN