Total Westminster by-elections: Non-general election years 2002-2016
Death/health
other
2002
1
0
2003
1
0
2004
1
2
2006
3
0
2007
1
1
2008
2
3
2009
0
2
2011
2
3
2012
2
5
2013
1
2
2014
1
4
2016
2
5
Chart: @MSmithsonPB
