Premiers of Alberta by time served in office as of April 24, 2023. The premier always stays in office during an election campaign. That time is included in the total, even if the premier is defeated.

  Progressive Conservative Association of Alberta (7)
  Alberta Liberal Party (3)
  Alberta Social Credit Party (3)
  United Farmers of Alberta (3)
  United Conservative Party (2)
  Alberta New Democratic Party (1)
Rank (by time in office) Name Incumbency [Note 1] Dates in power Mandates
1 Ernest Manning 25 years, 195 days 1943-05-31 to 1968-12-12 7
2 Peter Lougheed 14 years, 52 days 1971-09-10 to 1985-11-01 4
3 Ralph Klein 14 years, 0 days 1992-12-14 to 2006-12-14 4
4 John Edward Brownlee 8 years, 229 days 1925-11-23 to 1934-07-10 2
5 William Aberhart 7 years, 262 days 1935-09-03 to 1943-05-23 2
6 Arthur Sifton 7 years, 157 days 1910-05-26 to 1917-10-30 2
7 Don Getty 7 years, 42 days 1985-11-1 to 1992-12-13 2
8 Ed Stelmach 4 years, 297 days 2006-12-14 to 2011-10-07 1
9 Alexander Cameron Rutherford 4 years, 266 days 1905-09-02 to 1910-05-26 2
10 Herbert Greenfield 4 years, 102 days 1921-08-12 to 1925-11-23 1[Note 2]
11 Rachel Notley 3 years, 341 days 2015-05-24 to 2019-04-30 1
12 Charles Stewart 3 years, 287 days 1917-10-30 to 1921-08-13 0
13 Jason Kenney 3 years, 164 days 2019-04-30 to 2022-10-11 1
14 Harry Strom 2 years, 272 days 1968-12-12 to 1971-09-10 0
15 Alison Redford 2 years, 167 days 2011-10-07 to 2014-03-23 1
16 Richard Gavin Reid 1 year, 55 days 1934-07-10 to 1935-09-03 0
17 Jim Prentice 251 days 2014-09-15 to 2015-05-24 0
18 Danielle Smith(incumbent) 195 days 2022-10-11 to present 0
19 Dave Hancock 176 days 2014-03-23 to 2014-09-15 0

Notes

  1. ^ There was no premier of Alberta from May 23 until May 31, 1943, due to the death of Premier Aberhart.
  2. ^ The United Farmers of Alberta won the 1921 election without a leader. Greenfield was made leader immediately afterward, and this election is counted as a win for Greenfield.
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