List of premiers of Saskatchewan by time in office

This is a list of Premiers of Saskatchewan[1] in order of time served in office as Premier of Saskatchewan as of August 16, 2020. The Premier always stays in office during an election campaign. That time is included in the total, even if the Premier their Party are defeated in the election. Time is counted until the transition to the new government.

Saskatchewan Liberal Party (6)   Saskatchewan New Democratic Party (3)   Saskatchewan Co-operative Commonwealth Federation (2)   Progressive Conservative Party of Saskatchewan (2)   Saskatchewan Party (2)

Rank	Premier	Incumbency	Dates in Power	Elections Won
1	Tommy Douglas	17 years, 120 days	1944-07-10 to 1961-11-07	5
2	Thomas Walter Scott	11 years, 38 days	1905-09-12 to 1916-10-20	3
3	Allan Blakeney	10 years, 312 days	1971-06-30 to 1982-05-08	3
4	Brad Wall	10 years, 73 days	2007-11-21 to 2018-02-02	3
5	Grant Devine	9 years, 177 days	1982-05-08 to 1991-11-01	2
6	Roy Romanow	9 years, 99 days	1991-11-01 to 2001-02-08	3
7	William John Patterson	8 years, 252 days	1935-11-01 to 1944-07-10	1
8	W. Ross Thatcher	7 years, 39 days	1964-05-22 to 1971-06-30	2
9	Lorne Calvert	6 years, 286 days	2001-02-08 to 2007-11-21	1
10	William Melville Martin	5 years, 167 days	1916-10-20 to 1922-04-05	2
11	James Thomas Milton Anderson	4 years, 313 days	1929-09-09 to 1934-07-19	1
12	James Garfield Gardiner[2]	4 years, 300 days	1926-02-26 to 1929-09-09 1934-07-19 to 1935-11-01	1
13	Charles Avery Dunning	3 years, 327 days	1922-04-05 to 1926-02-26	1
14	Woodrow Lloyd	2 years, 197 days	1961-11-07 to 1964-05-22	0
15	Scott Moe (incumbent)	2 years, 196 days	2018-02-02 to present	0

Notes

1. Saskatchewan Archives: Premiers of Saskatchewan.
2. Gardiner served two non-consecutive terms.