Aiko, Princess Toshi is 24 years old as of October 2026. She was born on 1 December 2001.
Only child of Emperor Naruhito, at the centre of Japan's succession debate
Did you know?Polls in Japan have shown strong public support for allowing her to become empress.
Quick facts
Date of birth1 December 2001
Age24
NationalityJapanese
BirthplaceHospital of the Imperial Household, Japan
Editor's Take:
Princess Aiko is at the centre of a long debate about Japan's imperial succession. Only men can currently inherit the throne. Many Japanese people support changing that rule for her. She has a reputation for being warm and studious. After university she took a job with the Red Cross. She increasingly joins her parents at official events. Her public appearances draw large crowds. She is often praised for her calm public manner.
Key Milestones
2021: Comes of age
2024: Graduates from Gakushuin
2024: Joins the Japanese Red Cross
Aiko, Princess Toshi (敬宮愛子内親王, Toshi-no-miya Aiko Naishinnō; born 1 December 2001) is a member of the Imperial House of Japan. She is the only child of Emperor Naruhito and Empress Masako.
Aiko, Princess Toshi's birthday is December 1. She was born on December 1, 2001 in Hospital of the Imperial Household, Japan.
How old is Aiko, Princess Toshi?
Aiko, Princess Toshi is 24 years old, and turns 25 on her next birthday, December 1.
Who shares a birthday with Aiko, Princess Toshi?
Famous people who share Aiko, Princess Toshi's December 1 birthday include Pablo Escobar, Georgy Zhukov, Nikolai Ivanovich Lobachevsky, Sebastián Piñera and Nikolay Karamzin.
