Cook Partisan Voting Index
Cook,Partisan,Voting,Index
The,Cook,Partisan,Voting,Index,,also,called,PVI,,is,a,measurement,of,how,strongly,a,United,States,congressional,district,or,state,leans,toward,the,Democratic,or,Republican,Party,,compared,to,the,nation,as,a,whole,The,Cook,Political,Report,introduced,the,PVI,in,August,1997,to,better,gauge,the,competitiveness,of,each,district,using,the,1992,and,1996,presidential,elections,as,a,baseline1,The,index,is,based,on,analysis,by,the,Center,for,Voting,and,Democracy,now,FairVote,for,its,July,1997,Monopoly,Politics,report2
Contents
1,Calculation
2,Format
3,List,of,PVIs
31,Extremes,and,trends
32,By,congressional,district
33,By,state
4,See,also
5,References
6,External,links
Calculation
PVIs,are,calculated,by,comparing,the,districts,average,Democratic,or,Republican,Partys,share,of,the,two-party,presidential,vote,in,the,past,two,presidential,elections,to,the,nations,average,share,of,the,same,The,national,average,for,2004,and,2008,was,512%,Democratic,to,488%,Republican1,For,example,,in,Alaskas,at-large,congressional,district,,the,Republican,candidate,won,63%,and,61%,of,the,two-partcook,partisan,voting,index,,cook,partisan,voting,index,2016,,cook,partisan,voting,index,by,county,,the,cook,partisan,voting,index,Cook,Partisan,Voting,Index
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