1951 - Today
Ubol Ratana (Thai: อุบลรัตน, RTGS: Ubonrat, pronounced [ʔùʔ.bōn.rát]; born 5 April 1951) is a member of the Thai royal family. She is the eldest child of King Bhumibol Adulyadej and Queen Sirikit and elder sister of King Vajiralongkorn. In 1972, she married American citizen Peter Ladd Jensen and settled in the United States, losing her royal title in the process. Read more on Wikipedia
Since 2007, the English Wikipedia page of Ubol Ratana has received more than 809,282 page views. Her biography is available in 28 different languages on Wikipedia (up from 25 in 2019). Ubol Ratana is the 8,003rd most popular politician (down from 452nd in 2019), the 219th most popular biography from Switzerland (down from 207th in 2019) and the 31st most popular Swiss Politician.
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Historical Popularity Index (HPI)
Languages Editions (L)
Effective Languages (L*)
Coefficient of Variation (CV)
Among politicians, Ubol Ratana ranks 8,003 out of 15,577. Before her are Prince Kan'in Kotohito, Isabella of Castile, Duchess of York, Gerda Steinhoff, Asif Ali Zardari, Mohammed bin Zayed Al Nahyan, and Jorge Batlle. After her are Salah Jadid, Mucianus, Princess Anna of Saxony, Michael II Komnenos Doukas, Floris IV, Count of Holland, and Prince Ernst August of Hanover.
1865 - 1945
HPI: 54.56
Rank: 7,997
1355 - 1392
HPI: 54.56
Rank: 7,998
1922 - 1946
HPI: 54.56
Rank: 7,999
1955 - Present
HPI: 54.56
Rank: 8,000
1961 - Present
HPI: 54.56
Rank: 8,001
1927 - 2016
HPI: 54.56
Rank: 8,002
1951 - Present
HPI: 54.56
Rank: 8,003
1926 - 1993
HPI: 54.55
Rank: 8,004
100 - 100
HPI: 54.55
Rank: 8,005
1836 - 1859
HPI: 54.55
Rank: 8,006
1205 - 1271
HPI: 54.55
Rank: 8,007
1210 - 1234
HPI: 54.55
Rank: 8,008
1954 - Present
HPI: 54.55
Rank: 8,009
Among people born in 1951, Ubol Ratana ranks 111. Before her are Mick Mars, Cheryl Ladd, Bill Viola, Treat Williams, Duncan Haldane, and Antonis Samaras. After her are Alexander Sokurov, Nikolai Patrushev, Ace Frehley, Markku Alén, Vera Fischer, and Michel Barnier.
1951 - Present
HPI: 54.91
Rank: 105
1951 - Present
HPI: 54.89
Rank: 106
1951 - Present
HPI: 54.80
Rank: 107
1951 - 2023
HPI: 54.79
Rank: 108
1951 - Present
HPI: 54.76
Rank: 109
1951 - Present
HPI: 54.68
Rank: 110
1951 - Present
HPI: 54.56
Rank: 111
1951 - Present
HPI: 54.46
Rank: 112
1951 - Present
HPI: 54.34
Rank: 113
1951 - Present
HPI: 54.31
Rank: 114
1951 - Present
HPI: 54.25
Rank: 115
1951 - Present
HPI: 54.24
Rank: 116
1951 - Present
HPI: 54.24
Rank: 117
Among people born in Switzerland, Ubol Ratana ranks 219 out of 876. Before her are Carlo Fontana (1638), Jost Amman (1539), Johann Jakob Bodmer (1698), Heinrich Glarean (1488), Jean Vanier (1928), and Jean Philippe Loys de Cheseaux (1718). After her are Louis of Cyprus (1436), Eugène Grasset (1845), Jean-André Deluc (1727), Nicolas Théodore de Saussure (1767), Pierre Jeanneret (1896), and Johann Bauhin (1541).
1638 - 1714
HPI: 54.76
Rank: 213
1539 - 1591
HPI: 54.71
Rank: 214
1698 - 1783
HPI: 54.69
Rank: 215
1488 - 1563
HPI: 54.68
Rank: 216
1928 - 2019
HPI: 54.64
Rank: 217
1718 - 1751
HPI: 54.64
Rank: 218
1951 - Present
HPI: 54.56
Rank: 219
1436 - 1482
HPI: 54.41
Rank: 220
1845 - 1917
HPI: 54.40
Rank: 221
1727 - 1817
HPI: 54.38
Rank: 222
1767 - 1845
HPI: 54.35
Rank: 223
1896 - 1967
HPI: 54.35
Rank: 224
1541 - 1613
HPI: 54.34
Rank: 225
Among politicians born in Switzerland, Ubol Ratana ranks 31. Before her are Duarte Pio, Duke of Braganza (1945), Ruth Dreifuss (1940), Alfred Escher (1819), Joanna of Pfirt (1300), Ignazio Cassis (1961), and Pascal Couchepin (1942). After her are Louis of Cyprus (1436), Matilda of Habsburg (1253), Flavio Cotti (1939), Hans-Rudolf Merz (1942), Carl Lutz (1895), and Johann Schneider-Ammann (1952).
1945 - Present
HPI: 55.60
Rank: 25
1940 - Present
HPI: 55.38
Rank: 26
1819 - 1882
HPI: 55.24
Rank: 27
1300 - 1351
HPI: 55.19
Rank: 28
1961 - Present
HPI: 55.00
Rank: 29
1942 - Present
HPI: 54.77
Rank: 30
1951 - Present
HPI: 54.56
Rank: 31
1436 - 1482
HPI: 54.41
Rank: 32
1253 - 1304
HPI: 54.08
Rank: 33
1939 - 2020
HPI: 53.17
Rank: 34
1942 - Present
HPI: 52.92
Rank: 35
1895 - 1975
HPI: 52.47
Rank: 36
1952 - Present
HPI: 52.28
Rank: 37