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The prime minister of Belgium (Dutch: Eerste minister van België; French: Premier ministre de Belgique; German: Premierminister von Belgien) or the premier of Belgium is the head of the federal government in the Kingdom of Belgium.

Although leaders of Government (French: Chefs de Cabinet) had been appointed since the independence of the country, until 1918 the king often presided over the Council of Ministers, so the modern era of the "premiership" started after World War I with Léon Delacroix. The political importance of the king of the Belgians has decreased over time, whereas the position of prime minister has gradually become more important.

Chiefs of government (1831–1918)

Political parties

  Independent
  Catholic Party
  Liberal Party

Portrait		Name (Born–Died)	Election	Term of office			Political Party	Cabinet		Monarch of Belgium (Reign)
				Took office	Left office	Time in office		Name	Composition
1		Étienne Constantin de Gerlache (1785–1871)	1830	27 February 1831	10 March 1831	11 days	Independent (Confessional)	De Gerlache	–	None (Érasme-Louis as regent of Belgium)
2		Joseph Lebeau (1794–1865)	—	10 March 1831	24 July 1831	136 days	Independent (Liberal)	Lebeau I	–
										Leopold I (1831–1865)
3		Félix de Muelenaere (1793–1862)	1831	24 July 1831	20 October 1832	1 year, 88 days	Independent (Confessional)	De Mûelenaere	–
4		Albert Joseph Goblet d'Alviella (1790–1873)	1833	20 October 1832	4 August 1834	1 year, 288 days	Independent (Liberal)	Goblet d'Alviella— Rogier	–
5		Barthélémy de Theux de Meylandt (1794–1874)	1835 1837 1839	4 August 1834	18 April 1840	5 years, 258 days	Independent (Confessional)	De Theux de Meylandt I	–
6		Joseph Lebeau (1794–1865)	—	18 April 1840	13 April 1841	360 days	Independent (Liberal)	Lebeau II	–
7		Jean-Baptiste Nothomb (1805–1881)	1841 1843	13 April 1841	30 July 1845	4 years, 108 days		Nothomb	–
8		Sylvain Van de Weyer (1802–1874)	1845	30 July 1845	31 March 1846	244 days		Van de Weyer	–
9		Barthélémy de Theux de Meylandt (1794–1874)	—	31 March 1846	12 August 1847	1 year, 134 days	Independent (Confessional)	De Theux de Meylandt II	–
10		Charles Rogier (1800–1885)	1847 1848 1850	12 August 1847	31 October 1852	5 years, 80 days	Liberal Party	Rogier I	Lib.
11		Henri de Brouckère (1801–1891)	1852 1854	31 October 1852	30 March 1855	2 years, 150 days		De Brouckère
12		Pierre de Decker (1812–1891)	1855 1856	30 March 1855	9 November 1857	2 years, 224 days	Independent (Confessional)	De Decker	Cath.–Lib.
13		Charles Rogier (1800–1885)	1857 1859 1861 1863 1864 1866 1867	9 November 1857	3 January 1868	10 years, 55 days	Liberal Party	Rogier II	Lib.
										Leopold II (1865–1909)
14		Walthère Frère-Orban (1812–1896)	1868	3 January 1868	2 July 1870	2 years, 180 days		Frère-Orban I
15		Jules d'Anethan (1803–1888)	Jun.1870 Aug.1870	2 July 1870	7 December 1871	1 year, 158 days	Catholic Party	D'Anethan	Cath.
16		Barthélémy de Theux de Meylandt (1794–1874)	1872 1874	7 December 1871	21 August 1874 (died in office)	2 years, 257 days		Malou I
17		Jules Malou (1810–1886)	1876	21 August 1874	19 June 1878	3 years, 302 days
18		Walthère Frère-Orban (1812–1891)	1878 1880 1882	19 June 1878	16 June 1884	5 years, 363 days	Liberal Party	Frère-Orban II	Lib.
19		Jules Malou (1810–1886)	1884	16 June 1884	26 October 1884	132 days	Catholic Party	Malou II	Cath.
20		Auguste Beernaert (1829–1912)	1886 1888 1890 1892	26 October 1884	26 March 1894	9 years, 151 days		Beernaert
21		Jules de Burlet (1844–1897)	1894	26 March 1894	25 February 1896	1 year, 336 days		De Burlet
22		Paul de Smet de Naeyer (1843–1913)	1896 1898	25 February 1896	24 January 1899	2 years, 333 days		De Smet de Naeyer I
23		Jules Vandenpeereboom (1843–1917)	—	24 January 1899	5 August 1899	193 days		Vandenpeereboom
24		Paul de Smet de Naeyer (1843–1913)	1900 1902 1904 1906	5 August 1899	2 May 1907	7 years, 270 days		De Smet de Naeyer II
25		Jules de Trooz (1857–1907)	—	2 May 1907	31 December 1907 (died in office)	243 days		De Trooz
26		Frans Schollaert (1851–1917)	1908 1910	9 January 1908	17 June 1911	3 years, 159 days		Schollaert
										Albert I (1909–1934)
27		Charles de Broqueville (1860–1940)	1912 1914	17 June 1911	18 January 1916	6 years, 349 days		De Broqueville I (in exile, 1914–1918)
			—	18 January 1916	1 June 1918				Cath.–Lib.–BWP/POB
28		Gérard Cooreman (1852–1926)	—	1 June 1918	21 November 1918	173 days		Cooreman

Timeline from 1831 to 1919

Prime ministers (1918–present)

Political parties

Christian Democrat

  Catholic Party
  Christian Social Party
  Christian Democratic and Flemish

Liberal

  Liberal Party
  Flemish Liberals and Democrats
  Reformist Movement

Socialist

  Belgian Labour Party
  Belgian Socialist Party
  Socialist Party

Portrait		Name (Born–Died)	Election	Term of office			Political Party	Cabinet		Monarch of Belgium (Reign)
				Took office	Left office	Time in office		Name	Composition
29		Léon Delacroix (1867–1929)	—	21 November 1918	2 December 1919	1 year, 365 days	Catholic Party	Delacroix I	Cath.–Lib.–BWP/POB	Albert I (1909–1934)
			1919	2 December 1919	20 November 1920			Delacroix II
30		Henry Carton de Wiart (1869–1951)	—	20 November 1920	16 December 1921	1 year, 26 days		Carton de Wiart
31		Georges Theunis (1873–1966)	1921	16 December 1921	13 May 1925	3 years, 148 days		Theunis I	Cath.–Lib.
32		Aloys Van de Vyvere (1871–1961)	1925	13 May 1925	17 June 1925	35 days		Van de Vyvere	Cath.
33		Prosper Poullet (1868–1937)	—	17 June 1925	20 May 1926	337 days		Poullet— Vandervelde	Cath.–BWP/POB
34		Henri Jaspar (1870–1939)	—	20 May 1926	22 November 1927	5 years, 17 days		Jaspar I	Cath.–Lib.–BWP/POB
			1929	22 November 1927	6 June 1931			Jaspar II	Cath.–Lib.
35		Jules Renkin (1862–1934)	—	6 June 1931	22 October 1932	1 year, 138 days		Renkin
36		Charles de Broqueville (1860–1940)	1932	22 October 1932	20 November 1934	2 years, 29 days		De Broqueville II
										Leopold III (1934–1951)
37		Georges Theunis (1873–1966)	—	20 November 1934	25 March 1935	125 days		Theunis II
38		Paul van Zeeland (1893–1973)	—	25 March 1935	13 June 1936	2 years, 244 days		Van Zeeland I	Cath.–Lib.–BWP/POB
			1936	13 June 1936	24 November 1937			Van Zeeland II
39		Paul-Émile Janson (1873–1944)	—	24 November 1937	15 May 1938	172 days	Liberal Party	Janson
40		Paul-Henri Spaak (1899–1972)	—	15 May 1938	22 February 1939	283 days	Belgian Labour Party	Spaak I
41		Hubert Pierlot (1883–1963)	1939	22 February 1939	16 April 1939	5 years, 356 days	Catholic Party	Pierlot I	Cath.–Lib.–BSP/PSB
			—	16 April 1939	3 September 1939			Pierlot II	Cath.–Lib.
			—	3 September 1939	28 May 1940			Pierlot III	Cath.–Lib.–BSP/PSB
			—	28 May 1940	27 September 1944			Pierlot IV (in exile)
			—	27 September 1944	12 December 1944			Pierlot V	Cath.–Lib.–BSP/PSB–KPB-PCB
			—	12 December 1944	12 February 1945			Pierlot VI	Cath.–Lib.–BSP/PSB
42		Achille Van Acker (1898–1975)	—	12 February 1945	2 August 1945	1 year, 29 days	Belgian Socialist Party	Van Acker I	BSP/PSB–Cath.–Lib.
				2 August 1945	13 March 1946			Van Acker II	BSP/PSB–BDU/UDB–Lib.–KPB-PCB
43		Paul-Henri Spaak (1899–1972)	1946	13 March 1946	31 March 1946	18 days		Spaak II	BSP/PSB–PSC/CVP
44		Achille Van Acker (1898–1975)	—	31 March 1946	3 August 1946	125 days		Van Acker III	BSP/PSB–LP/PL–KPB-PCB
45		Camille Huysmans (1871–1968)	—	3 August 1946	20 March 1947	229 days		Huysmans
46		Paul-Henri Spaak (1899–1972)	—	20 March 1947	27 November 1948	2 years, 144 days		Spaak III	BSP/PSB–PSC/CVP
				27 November 1948	11 August 1949			Spaak IV
47		Gaston Eyskens (1905–1988)	1949	11 August 1949	8 June 1950	301 days	Christian Social Party	G.Eyskens I	PSC/CVP–LP/PL
48		Jean Duvieusart (1900–1977)	1950	8 June 1950	16 August 1950	69 days		Duvieusart	PSC/CVP
49		Joseph Pholien (1884–1968)	—	16 August 1950	15 January 1952	1 year, 152 days		Pholien
										Baudouin (1951–1993)
50		Jean Van Houtte (1907–1991)	—	15 January 1952	23 April 1954	2 years, 98 days		Van Houtte
51		Achille Van Acker (1898–1975)	1954	23 April 1954	26 June 1958	4 years, 64 days	Belgian Socialist Party	Van Acker IV	BSP/PSB–LP/PL
52		Gaston Eyskens (1905–1988)	1958	26 June 1958	6 November 1958	2 years, 303 days	Christian Social Party	G.Eyskens II	PSC/CVP
			—	6 November 1958	3 September 1960			G.Eyskens III	PSC/CVP–LP/PL
			—	3 September 1960	25 April 1961			G.Eyskens IV
53		Théo Lefèvre (1914–1973)	1961	25 April 1961	28 July 1965	4 years, 94 days		Lefèvre	PSC/CVP–BSP/PSB
54		Pierre Harmel (1911–2009)	1965	28 July 1965	19 March 1966	234 days		Harmel
55		Paul Vanden Boeynants (1919–2001)	—	19 March 1966	17 July 1968	2 years, 120 days		Vanden Boeynants I	PSC/CVP–PVV/PLP
56		Gaston Eyskens (1905–1988)	1968	17 July 1968	20 January 1972	4 years, 193 days	Christian People's Party (CVP)	G.Eyskens V	CVP/PSC–BSP/PSB
			1971	20 January 1972	26 January 1973			G.Eyskens VI
57		Edmond Leburton (1915–1997)	—	26 January 1973	23 October 1973	1 year, 89 days	Belgian Socialist Party	Leburton I	BSP/PSB–CVP/PSC–PVV/PLP
				23 October 1973	25 April 1974			Leburton II	BSP/PSB–CVP/PSC
58		Leo Tindemans (1922–2014)	1974	25 April 1974	3 June 1977	4 years, 178 days	Christian People's Party (CVP)	Tindemans I	CVP/PSC–PVV/PLP
			1977	3 June 1977	20 October 1978			Tindemans II	CVP/PSC–SP/PS–VU/FDF
59		Paul Vanden Boeynants (1919–2001)	—	20 October 1978	3 April 1979	165 days	Christian Social Party (PSC)	Vanden Boeynants II
60		Wilfried Martens (1936–2013)	1978	3 April 1979	23 January 1980	1 year, 362 days	Christian People's Party (CVP)	Martens I
			—	23 January 1980	18 May 1980			Martens II	CVP/PSC–SP/PS
			—	18 May 1980	22 October 1980			Martens III	CVP/PSC–SP/PS–PVV/PRL
			—	22 October 1980	31 March 1981			Martens IV	CVP/PSC–SP/PS
61		Mark Eyskens (born 1933)	—	31 March 1981	17 December 1981	261 days		M.Eyskens
62		Wilfried Martens (1936–2013)	1981	17 December 1981	28 November 1985	10 years, 81 days		Martens V	CVP/PSC-PVV/PRL
			1985	28 November 1985	21 October 1987			Martens VI
			1987	21 October 1987	9 May 1988			Martens VII
			—	9 May 1988	29 September 1991			Martens VIII	CVP/PSC–SP/PS–VU/FDF
			1991	29 September 1991	7 March 1992			Martens IX	CVP/PSC–SP/PS
63		Jean-Luc Dehaene (1940–2014)	—	7 March 1992	21 May 1995	7 years, 127 days		Dehaene I
										Albert II (1993–2013)
			1995	21 May 1995	12 July 1999			Dehaene II
64		Guy Verhofstadt (born 1953)	1999	12 July 1999	12 July 2003	8 years, 252 days	Flemish Liberals and Democrats (VLD)	Verhofstadt I	VLD/PRL–SP.A/PS–Agalev/Ecolo
			2003	12 July 2003	21 December 2007			Verhofstadt II	VLD/MR–SP.A/PS
			2007	21 December 2007	20 March 2008		Open Flemish Liberals and Democrats (Open VLD)	Verhofstadt III	Open VLD/MR–CD&V/CDH–PS
65		Yves Leterme (born 1960)	—	20 March 2008	30 December 2008	285 days	Christian Democratic and Flemish (CD&V)	Leterme I	CD&V/CDH–PS–Open Vld/MR
66		Herman Van Rompuy (born 1947)	—	30 December 2008	25 November 2009	330 days		Van Rompuy	CD&V/CDH–Open Vld/MR–PS
67		Yves Leterme (born 1960)	—	25 November 2009	6 December 2011	2 years, 11 days		Leterme II
68		Elio Di Rupo (born 1951)	2010	6 December 2011	11 October 2014	2 years, 309 days	Socialist Party (PS)	Di Rupo	SP.A/PS–CD&V/CDH–Open Vld/MR
										Philippe (2013–present)
69		Charles Michel (born 1975)	2014	11 October 2014	21 December 2018	5 years, 16 days	Reformist Movement (MR)	Michel I	Open Vld/MR–N-VA–CD&V
			—	21 December 2018	27 October 2019			Michel II	Open Vld/MR–CD&V
70		Sophie Wilmès (born 1975)	—	27 October 2019	17 March 2020	340 days		Wilmès I
			2019	17 March 2020	1 October 2020			Wilmès II
71		Alexander De Croo (born 1975)	—	1 October 2020	Incumbent	3 years, 123 days	Open Flemish Liberals and Democrats (Open VLD)	De Croo	Open Vld/MR–SP.A/PS–Groen/Ecolo–CD&V

Timeline since 1918