San Francsico Elections Without First Round Winner, 2000 - 2010

Comparing 15 ranked choice voting (RCV) elections in 2004-2010 and 14 traditional runoff elections in 2000-2003

Summary Findings

 15 RCV, 2004-2010 (multiple rounds)

 

14 Runoff  Races, 2000--2003

 

 

 

 

 

 

 

Mean Ave.

Median

 

Mean Ave.

Median

Average percentage increase in winner's final round total from 1st round leader

133.9%

132.3%

 

111.5%

93.1%

 

 

 

 

 

 

# of races  with voter turnout decline

0 of 15

*

 

8 of 14

*

 

 

 

 

 

 

Average rate of voter participation, final round compared to 1st round

83.1%

84.1%

 

70.6%

60.5%

 

 

 

 

 

 

# of races where participation between rounds dropped to below 74% of 1st round

1 of 15

*

 

10 of 14

*

 

 

 

 

 

 

Average # of candidates

6

6

 

7.6

6.5

 

 

 

 

 

 

Average nonvotes (total undervote+overvote), 1st round

10.4%

9.6%

 

12.5%

13.0%

 

 

 

 

 

 

Average nonvotes (undervote+overvote), 1st round - Board of Supes only

10.3%

9.5%

 

14.4%

14.4%

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