2001 - Today
Aiko, Princess Toshi (敬宮愛子内親王, Toshi-no-miya Aiko Naishinnō, born 1 December 2001) is a member of the Japanese imperial family. She is the only child of Emperor Naruhito and Empress Masako of Japan.Following her birth, the ongoing Japanese imperial succession debate had resulted in some politicians holding a favorable view on rescinding agnatic primogeniture (male-only imperial succession) originally implemented in 1889 and reinforced by the World War II allies on the constitution of Japan. However, once her uncle and the current crown prince Fumihito had his son Hisahito in September 2006, he became next in the line of succession following his father. Read more on Wikipedia
Since 2007, the English Wikipedia page of Aiko, Princess Toshi has received more than 3,224,198 page views. Her biography is available in 35 different languages on Wikipedia (up from 32 in 2019). Aiko, Princess Toshi is the 954th most popular nobleman (down from 802nd in 2019), the 1,427th most popular biography from Japan (down from 1,413th in 2019) and the 10th most popular Japanese Nobleman.
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Historical Popularity Index (HPI)
Languages Editions (L)
Effective Languages (L*)
Coefficient of Variation (CV)
Among noblemen, Aiko, Princess Toshi ranks 954 out of 842. Before her are Guillaume, Hereditary Grand Duke of Luxembourg, Drest X, Stéphanie, Hereditary Grand Duchess of Luxembourg, Pierre Casiraghi, Leonor, Princess of Asturias, and Prince Guillaume of Luxembourg. After her are Princess Ingrid Alexandra of Norway, Grand Duke George Mikhailovich of Russia, Princess Eugenie of York, Princess Kako of Akishino, Infanta Sofía of Spain, and Catharina-Amalia, Princess of Orange.
1981 - Present
HPI: 43.72
Rank: 948
HPI: 43.34
Rank: 949
1984 - Present
HPI: 43.10
Rank: 950
1987 - Present
HPI: 42.75
Rank: 951
2005 - Present
HPI: 42.64
Rank: 952
1963 - Present
HPI: 42.60
Rank: 953
2001 - Present
HPI: 42.31
Rank: 954
2004 - Present
HPI: 42.18
Rank: 955
1981 - Present
HPI: 41.60
Rank: 956
1990 - Present
HPI: 41.08
Rank: 957
1994 - Present
HPI: 40.81
Rank: 958
2007 - Present
HPI: 40.72
Rank: 959
2003 - Present
HPI: 39.75
Rank: 960
Among people born in 2001, Aiko, Princess Toshi ranks 4. Before her are Billie Eilish, Rodrygo, and Freya Allan. After her are Takefusa Kubo, Curtis Jones, Jeon So-mi, Mason Greenwood, Jannik Sinner, Daniel Maldini, Iga Świątek, and Princess Elisabeth, Duchess of Brabant.
2001 - Present
HPI: 52.47
Rank: 1
2001 - Present
HPI: 43.73
Rank: 2
2001 - Present
HPI: 42.48
Rank: 3
2001 - Present
HPI: 42.31
Rank: 4
2001 - Present
HPI: 40.44
Rank: 5
2001 - Present
HPI: 40.25
Rank: 6
2001 - Present
HPI: 39.31
Rank: 7
2001 - Present
HPI: 38.93
Rank: 8
2001 - Present
HPI: 38.44
Rank: 9
2001 - Present
HPI: 38.43
Rank: 10
2001 - Present
HPI: 37.95
Rank: 11
2001 - Present
HPI: 37.81
Rank: 12
Among people born in Japan, Aiko, Princess Toshi ranks 1,427 out of 6,048. Before her are Sayaka Kanda (1986), Seiko Hashimoto (1964), Jun Fukuyama (1978), Takashi Shimizu (1972), Nikka Costa (1972), and Hiroki Kosai (1933). After her are Tamotsu Suzuki (1947), Hisashi Kaneko (1959), Masami Ihara (1967), Hideki Maeda (1954), Rica Matsumoto (1968), and Naohiro Takahara (1979).
1986 - 2021
HPI: 42.40
Rank: 1,421
1964 - Present
HPI: 42.38
Rank: 1,422
1978 - Present
HPI: 42.37
Rank: 1,423
1972 - Present
HPI: 42.34
Rank: 1,424
1972 - Present
HPI: 42.34
Rank: 1,425
1933 - Present
HPI: 42.31
Rank: 1,426
2001 - Present
HPI: 42.31
Rank: 1,427
1947 - Present
HPI: 42.29
Rank: 1,428
1959 - Present
HPI: 42.28
Rank: 1,429
1967 - Present
HPI: 42.27
Rank: 1,430
1954 - Present
HPI: 42.26
Rank: 1,431
1968 - Present
HPI: 42.25
Rank: 1,432
1979 - Present
HPI: 42.22
Rank: 1,433
Among noblemen born in Japan, Aiko, Princess Toshi ranks 10. Before her are Prince Yasuhiko Asaka (1887), Nobuhito, Prince Takamatsu (1905), Kiko, Princess Akishino (1966), Prince Tomohito of Mikasa (1946), Sayako Kuroda (1969), and Princess Mako of Akishino (1991). After her are Princess Kako of Akishino (1994), Prince Hisahito of Akishino (2006), Princess Tsuguko of Takamado (1986), Princess Akiko of Mikasa (1981), and Ayako Moriya (1990).
1887 - 1981
HPI: 59.53
Rank: 4
1905 - 1987
HPI: 55.72
Rank: 5
1966 - Present
HPI: 53.17
Rank: 6
1946 - 2012
HPI: 52.51
Rank: 7
1969 - Present
HPI: 49.85
Rank: 8
1991 - Present
HPI: 43.72
Rank: 9
2001 - Present
HPI: 42.31
Rank: 10
1994 - Present
HPI: 40.81
Rank: 11
2006 - Present
HPI: 38.22
Rank: 12
1986 - Present
HPI: 35.73
Rank: 13
1981 - Present
HPI: 35.49
Rank: 14
1990 - Present
HPI: 32.23
Rank: 15