Government changes in Canada since World War II

In the 68 years since the end of World War II Canada has had a surprisingly few changes in government

8- Quebec - 4 Liberal, 3 PQ, 2 Union Nationale
7 - Federal goverment - 4 Liberal, 4 PC/CPC
7 - New Brunswick - 4 Liberal, 4 PC
6 - Manitoba - 3 NDP, 3 PC, 1 Liberal
6  - PEI - 4 Liberal, 3 PC
6 - Nova Scotia - 3 Liberal, 3 PC, 1 NDP
6 - British Columbia - 2 NDP, 2 Liberal, 2 Social Credit, 1 Coalition - in January 1952 the PCs left the Coalition government and the Liberals governed with a minority for another eight months
6 - Yukon - 2 PC, 2 NDP, 1 Yukon, 1 Liberal, 1 NA - Yukon had their first elected responsible government in 1978, before that they were ruled directly by the federal government, I count this as a change in government
5 - Saskatchewan - 3 CCF/NDP, 1 Liberal, 1 PC, 1 Sask party
4 - Newfoundland and Labrador - 2 Liberal, 2 PC, 1 NA - in 1949 Newfoundland changed from direct rule from London to responsible government which I count as a change of government
4 - Ontario - 2 PC, 2 Liberal, 1 NDP
1 - Alberta - 1 Social Credit, 1 PC

The longest governments since World War II, including governments in power before 1945

1. 15,290 days Ontario PCs - 1943 to 1985
2. 15,252 days Alberta PCs - 1971 still in office
3. 13,157 days Alberta Social Credit - 1935 to 1971
4. 9,208 days Nova Scotia Liberals - 1933 to 1958
5. 8,801 days PEI Liberals - 1935 to 1959
6. 83,28 days Newfoundland Liberals - 1949 to 1972
7. 7,913 days Federal Liberals - 1935 to 1957
8. 7,351 days BC Social Creidt - 1952 to 1972
9. 7,257 days Saskatchewan CCF - 1944 to 1964
10. 6,318 days Newfoundland PCs - 1972 to 1989
11. 6,194 days New Brunswick PCs - 1970 to 1987
12. 5,888 days Federal Liberals - 1963 to 1979
13. 5,865 days Saskatchewan NDP - 1991 to 2007
14. 5,828 days Quebec Union Nationale - 1944 to 1960
15. 5,798 days BC Social Credit - 1975 to 1991