← All countries

🇮🇸 Iceland

Parliamentary republicLiberal democracy

Kristrún Mjöll Frostadóttir

Prime Minister · 618 days in office

Tenure records

Recent prime ministers by days in office

Is a leader's tenure getting longer or shorter in Iceland?

Across 44 completed terms, the average prime minister of Iceland has served 989 days (about 2.7 years). That has stayed fairly steady: the last five completed terms averaged 846 days.

All prime ministers of Iceland

#	Name	Took office	Left office	Days
45	Kristrún Mjöll Frostadóttir	Dec 21, 2024	Incumbent	618
44	Bjarni Benediktsson	Apr 9, 2024	Dec 21, 2024	256
43	Katrín Jakobsdóttir	Nov 30, 2017	Apr 9, 2024	2,322
42	Bjarni Benediktsson	Jan 11, 2017	Nov 30, 2017	323
41	Sigurður Ingi Jóhannsson	Apr 7, 2016	Jan 11, 2017	279
40	Sigmundur Davíð Gunnlaugsson	May 23, 2013	Apr 7, 2016	1,050
39	Jóhanna Sigurðardóttir	Feb 1, 2009	May 23, 2013	1,572
38	Geir Haarde	Jun 15, 2006	Feb 1, 2009	962
37	Halldór Ásgrímsson	Sep 15, 2004	Jun 15, 2006	638
36	Davíð Oddsson	Apr 30, 1991	Sep 15, 2004	4,887
35	Steingrímur Hermannsson	Sep 28, 1988	Apr 30, 1991	944
34	Þorsteinn Pálsson	Jul 8, 1987	Sep 28, 1988	448
33	Steingrímur Hermannsson	May 26, 1983	Jul 8, 1987	1,504
32	Gunnar Thoroddsen	Feb 8, 1980	May 26, 1983	1,203
31	Benedikt Sigurðsson Gröndal	Oct 15, 1979	Feb 8, 1980	116
30	Ólafur Jóhannesson	Sep 1, 1978	Oct 15, 1979	409
29	Geir Hallgrímsson	Oct 29, 1974	Oct 9, 1978	1,441
28	Ólafur Jóhannesson	Jul 14, 1971	Aug 28, 1974	1,141
27	Jóhann Hafstein	Jul 10, 1970	Jul 14, 1971	369
26	Bjarni Benediktsson	Nov 14, 1963	Jul 10, 1970	2,430
25	Ólafur Thors	Jan 1, 1962	Nov 14, 1963	682
24	Bjarni Benediktsson	Sep 8, 1961	Dec 31, 1961	114
23	Ólafur Thors	Nov 20, 1959	Sep 8, 1961	658
22	Emil Jónsson	Dec 23, 1958	Nov 20, 1959	332
21	Hermann Jónasson	Jul 24, 1956	Dec 23, 1958	882
20	Ólafur Thors	Sep 11, 1953	Jul 24, 1956	1,047
19	Steingrímur Steinþórsson	Mar 14, 1950	Sep 11, 1953	1,277
18	Ólafur Thors	Dec 6, 1949	Mar 14, 1950	98
17	Stefán Jóhann Stefánsson	Feb 4, 1947	Dec 6, 1949	1,036
16	Ólafur Thors	Oct 21, 1944	Feb 4, 1947	836
15	Björn Þórðarson	Dec 16, 1942	Oct 21, 1944	675
14	Ólafur Thors	May 16, 1942	Dec 16, 1942	214
13	Hermann Jónasson	Jul 28, 1934	May 16, 1942	2,849
12	Ásgeir Ásgeirsson	Jun 3, 1932	Jul 28, 1934	785
11	Tryggvi Þórhallsson	Aug 28, 1927	Jun 3, 1932	1,741
10	Jón Þorláksson	Jul 8, 1926	Aug 28, 1927	416
9	Magnús Guðmundsson	Jun 23, 1926	Jul 8, 1926	15
8	Jón Magnússon	Mar 22, 1924	Jun 23, 1926	823
7	Sigurður Eggerz	Mar 7, 1922	Mar 22, 1924	746
6	Jón Magnússon	Jan 4, 1917	Mar 7, 1922	1,888
5	Sigurður Eggerz	Jul 21, 1914	May 4, 1915	287
4	Hannes Hafstein	Jul 25, 1912	Jul 21, 1914	726
3	Kristján Jónsson	Mar 14, 1911	Jul 24, 1912	498
2	Björn Jónsson	Mar 31, 1909	Mar 14, 1911	713
1	Hannes Hafstein	Feb 1, 1904	Mar 31, 1909	1,885

Officeholder history via Wikidata. Multiple rows for one person indicate separate terms.

Frequently asked questions

Who is the Prime Minister of Iceland?

Kristrún Mjöll Frostadóttir has been Prime Minister of Iceland since Dec 21, 2024.

Who is the longest-serving Prime Minister of Iceland?

Davíð Oddsson, with 4,887 days in office.

Are leaders serving longer or shorter terms in Iceland?

Across 44 completed terms, the average prime minister of Iceland has served 989 days (about 2.7 years). That has stayed fairly steady: the last five completed terms averaged 846 days.