Known for her advocacy in justice reform, the princess's passing raises succession questions for the Thai monarchy
Category: U.S. News
Princess Bajrakitiyabha Mahidol of Thailand, the eldest child of King Maha Vajiralongkorn, has died at the age of 47 after spending more than three years in a coma. The Bureau of the Royal Household announced her passing on June 11, 2026, stating that she died at 19:48 local time at King Chulalongkorn Memorial Hospital in Bangkok, where she had been receiving care since her collapse in December 2022.
Prime Minister Anutin Charnvirakul expressed the nation’s grief, calling her “a pride of Thailand” and highlighting her legacy of kindness, justice, and equality. He stated that her commitment to these values would remain a guiding light for future generations of Thais. The princess was well-regarded for her public service and her efforts in justice reform, particularly through her Kamlangjai, or “Inspire,” campaign, aimed at rehabilitating incarcerated women.
Born on December 7, 1978, Princess Bajrakitiyabha was the only child of King Vajiralongkorn and his first wife, Princess Soamsawali. She received her education in law from Thammasat University and later earned both a master’s degree and a doctorate from Cornell University. Her professional career included roles as a public prosecutor and Thailand’s ambassador to Austria from 2012 to 2014. In 2017, she was appointed as a goodwill ambassador for the UN Office on Drugs and Crime, where she advocated for the rights of female prisoners and played a key role in the adoption of the “Bangkok Rules” by the UN General Assembly in 2010.
Princess Bajrakitiyabha’s health deteriorated after she suffered a cardiac incident in December 2022, which was attributed to a mycoplasma infection in her heart. She collapsed during a dog training session and was immediately airlifted to Bangkok for treatment. Since then, updates on her condition were sparse, with the royal palace reporting in May 2026 that her health had worsened due to multiple infections affecting various organs.
Throughout her life, the princess was known for her dedication to public service and her efforts to reform Thailand's justice system, particularly concerning vulnerable women. Her work in this area distinguished her from other members of the royal family, who are often perceived as more distant from the public. Analysts had speculated that her prominence in social issues made her a potential candidate for a more active role in the monarchy, especially in light of a constitutional amendment that allowed for a female ruler.
As the eldest child of the king, Princess Bajrakitiyabha was seen as a likely heir to the throne, a position complicated by the fact that Thailand has never had a ruling queen. The current line of succession favors male heirs, and the king's youngest son, Prince Dipangkorn Rasmijoti, is now the presumptive heir. He is 21 years old and has been largely kept out of the public eye, raising questions about his ability to fulfill the role of monarch.
The death of Princess Bajrakitiyabha has left the future of the Thai monarchy uncertain. With her passing, the question of succession remains unanswered, and the strict lese majeste laws in Thailand prevent open discussion about the monarchy. The king has not officially named a successor, and speculation about the royal family's next steps is rife.
Following her death, the royal family announced that her body would lie in state at the Grand Palace in Bangkok, with funeral rites to be held in accordance with royal traditions. The Thai government is also expected to declare a period of national mourning. Mourners have already begun to gather at the hospital where she was treated, holding photographs and expressing their sorrow over her loss.
In her advocacy work, Princess Bajrakitiyabha often emphasized the importance of stability and justice in society. In a 2013 interview, she stated, “Society cannot grow if there is instability and injustice. Without the rule of law, without a good justice system, it’s always chaos.” Her dedication to these principles has left an indelible mark on the Thai public, and her absence will undoubtedly be felt across the country.
As Thailand reflects on the life of Princess Bajrakitiyabha, her legacy in advancing justice reform and her commitment to public service will continue to resonate. Her passing marks the end of a prominent royal figure and raises poignant questions about the future direction of the Thai monarchy.