The 24-year-old princess could save the world’s oldest hereditary monarchy from extinction.

Questions remain about who will succeed Emperor Naruhito, but even the most recent rule change prevents Princess Aiko, the ...

There are only three people in line to inherit Japan's Chrysanthemum Throne, and one of them is 90 years old. All three of ...

Japan's Imperial Family, the world's longest-running monarchy, faces a survival crisis as only three men are eligible to ...

Japan's Parliament revised the Imperial House Law to cement male-only succession, blocking Princess Aiko from inheriting the ...

The Imperial Family has just undergone some major changes, and while Princess Aiko is still barred from the throne, she will ...

The Japanese princess who renounced her royal title and wealth to marry her commoner husband has been spotted with a little heir — after fleeing NYC for the suburbs. Princess Mako Komuro, the first ...

Princess Kako of Japan received praise after a viral video showed her flying economy class on a flight to Brazil for a state visit. The 30-year-old is the niece of Emperor Naruhito and a member of ...

Japan's Crown Prince and Princess Akishino will visit Paraguay in August to mark 90 years since the first Japanese immigrants ...