1949 - Today
Ivan Yordanov Kostov (Bulgarian: Иван Йорданов Костов [iˈvan ˈkɔstof]) (born 23 December 1949, in Sofia) was the 47th Prime Minister of Bulgaria in office from May 1997 to July 2001 and leader of the Union of Democratic Forces (UDF) between December 1994 and July 2001. Ivan Kostov graduated in Economics from the Karl Marx Higher Institute of Economics (today's University of National and World Economy) in Sofia in 1974, and later earned a Ph.D. in Mathematical Modeling of Economic Processes from Sofia University. He then worked as an associate professor at Sofia Technical University and entered politics after the collapse of the Berlin Wall and the fall of the Bulgarian communist leader, Todor Zhivkov. Read more on Wikipedia
Since 2007, the English Wikipedia page of Ivan Kostov has received more than 81,939 page views. His biography is available in 24 different languages on Wikipedia (up from 22 in 2019). Ivan Kostov is the 13,391st most popular politician (down from 12,756th in 2019), the 181st most popular biography from Bulgaria (down from 177th in 2019) and the 83rd most popular Bulgarian Politician.
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Historical Popularity Index (HPI)
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Effective Languages (L*)
Coefficient of Variation (CV)
Among politicians, Ivan Kostov ranks 13,391 out of 15,577. Before him are Gennady Voronov, Andris Bērziņš, Claude Joseph, Hans van Mierlo, Petko Karavelov, and Murtaza Rakhimov. After him are Laurance Rockefeller, Jane Marcet, Julio Anguita, Sledd of Essex, José María Moncada, and José Pardo y Barreda.
1910 - 1994
HPI: 47.01
Rank: 13,385
1951 - Present
HPI: 47.01
Rank: 13,386
1960 - Present
HPI: 47.01
Rank: 13,387
1931 - 2010
HPI: 47.01
Rank: 13,388
1843 - 1903
HPI: 47.00
Rank: 13,389
1934 - 2023
HPI: 47.00
Rank: 13,390
1949 - Present
HPI: 47.00
Rank: 13,391
1910 - 2004
HPI: 47.00
Rank: 13,392
1769 - 1858
HPI: 47.00
Rank: 13,393
1941 - 2020
HPI: 47.00
Rank: 13,394
HPI: 46.99
Rank: 13,395
1870 - 1945
HPI: 46.99
Rank: 13,396
1864 - 1947
HPI: 46.99
Rank: 13,397
Among people born in 1949, Ivan Kostov ranks 376. Before him are Stephen Gyllenhaal, Manfred Burgsmüller, John Podesta, Gil Scott-Heron, Leopoldo Brenes, and Gates McFadden. After him are Bob Backlund, Kayahan, Alan White, Zbigniew Rybczyński, Nurit Peled-Elhanan, and Ireen Sheer.
1949 - Present
HPI: 47.07
Rank: 370
1949 - 2019
HPI: 47.04
Rank: 371
1949 - Present
HPI: 47.04
Rank: 372
1949 - 2011
HPI: 47.03
Rank: 373
1949 - Present
HPI: 47.01
Rank: 374
1949 - Present
HPI: 47.00
Rank: 375
1949 - Present
HPI: 47.00
Rank: 376
1949 - Present
HPI: 46.94
Rank: 377
1949 - 2015
HPI: 46.83
Rank: 378
1949 - 2022
HPI: 46.83
Rank: 379
1949 - Present
HPI: 46.82
Rank: 380
1949 - Present
HPI: 46.82
Rank: 381
1949 - Present
HPI: 46.79
Rank: 382
Among people born in Bulgaria, Ivan Kostov ranks 181 out of 372. Before him are Azis (1978), Nikola Kotkov (1938), Stanislav Stratiev (1941), Ivan Evstratiev Geshov (1849), Nikola Mushanov (1872), and Petko Karavelov (1843). After him are Stefan Toshev (1859), Nadya Nozharova (1916), Teodor Teodorov (1859), Yordan Yovkov (1880), Dora Gabe (1888), and Yordanka Blagoeva (1947).
1978 - Present
HPI: 47.12
Rank: 175
1938 - 1971
HPI: 47.10
Rank: 176
1941 - 2000
HPI: 47.10
Rank: 177
1849 - 1924
HPI: 47.09
Rank: 178
1872 - 1951
HPI: 47.04
Rank: 179
1843 - 1903
HPI: 47.00
Rank: 180
1949 - Present
HPI: 47.00
Rank: 181
1859 - 1924
HPI: 46.82
Rank: 182
1916 - 2014
HPI: 46.80
Rank: 183
1859 - 1924
HPI: 46.78
Rank: 184
1880 - 1937
HPI: 46.69
Rank: 185
1888 - 1983
HPI: 46.63
Rank: 186
1947 - Present
HPI: 46.63
Rank: 187
Among politicians born in Bulgaria, Ivan Kostov ranks 83. Before him are Dimitar Iliev Popov (1927), Stoyan Danev (1858), Dragan Tsankov (1828), Ivan Evstratiev Geshov (1849), Nikola Mushanov (1872), and Petko Karavelov (1843). After him are Teodor Teodorov (1859), Georgi Atanasov (1933), Konstantin Stoilov (1853), Pencho Zlatev (1883), Lyuben Berov (1925), and Racho Petrov (1861).
1927 - 2015
HPI: 47.86
Rank: 77
1858 - 1949
HPI: 47.73
Rank: 78
1828 - 1911
HPI: 47.43
Rank: 79
1849 - 1924
HPI: 47.09
Rank: 80
1872 - 1951
HPI: 47.04
Rank: 81
1843 - 1903
HPI: 47.00
Rank: 82
1949 - Present
HPI: 47.00
Rank: 83
1859 - 1924
HPI: 46.78
Rank: 84
1933 - 2022
HPI: 46.43
Rank: 85
1853 - 1901
HPI: 46.08
Rank: 86
1883 - 1948
HPI: 46.04
Rank: 87
1925 - 2006
HPI: 45.62
Rank: 88
1861 - 1942
HPI: 45.24
Rank: 89