Incumbents in the CRD are re-elected 87.8% of the time

The first number is the incumbents defeated, the second is incumbent councilors that ran.  Empty slots indicate a lack of information, na means the municipality did not exist
Municipality    2014 2011 2008 2005 2002 1999 1996 1993 TOTAL  pct
Central Saanich  0/4  1/4  1/4  0/4  0/2  0/5            2/23   8.7%
Colwood          0/3  1/4  0/3  2/6  2/5  0/1  1/3       6/25  24.0%
Esquimalt        2/5  0/2  0/3  2/4  1/3  0/3  1/4       6/24  25.0%
Highlands        0/2  0/6  0/1  0/3  1/4  0/2  0/2  na   1/20   5.0%
Langford         0/6  0/6  0/5  0/6  0/4  0/5  1/3  na   1/35   2.9%
Metchosin        0/2  0/4  0/2  2/4  0/1                 2/13  15.4%
North Saanich    3/4  0/2  1/5  1/2  0/4  1/2  1/4       7/23  30.4%
Oak Bay          0/3  0/3  0/5  0/4  1/6  0/3            1/24   4.2%
Saanich          2/8  0/7  0/6  0/5  1/8  1/8  1/5  1/7  6/54  11.1%
Sidney           0/2  0/4  2/4  0/4  0/6                 2/20  10.0%
Sooke            0/4  0/3  1/3  0/2  1/5  na   na   na   2/17  11.8%
Victoria         0/6  3/8  0/5  0/6  1/6  1/6  0/6  0/4  5/47  10.6%
View Royal       0/3  0/3  0/3  0/3  0/3  1/2  1/3  1/4  3/24  12.5%
TOTALS           7/52 5/56 5/49 7/53 8/57               45/369 12.2%
PCT             13.5  8.9  10.2 13.2 14.0

Last time an incumbent was defeated
2014 - Saanich, Esquiamlt, North Saanich
2011 - Victoria, Colwood, Central Saanich
2008 - Sidney, Sooke
2005 - Metchosin
2002 - Highlands, Oak Bay
1999 - View Royal
1996 - Langford

In the history of Langford and Highlands only one incumbent in each has ever been defeated.   In Sooke it is 2 over the history of the municipality