Data: Voter Power
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Voter Power Investigation: May 2017
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Key new voter groups in the 2017 general elections 2017
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Investigation overview document
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Data Fields
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Constituency
The Westminster parliamentary constituency name.
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Marginality 2015
The number of votes between the first and second candidate in 2015.
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Registered Voters 2015
The number of registered voters in 2015.
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Registered Voters 2017
The estimate number of registered voters in 2017.
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New Voters
The difference between the estimate number of registered voters in 2017 and the number of registered voters in 2015.
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New Voters Above Margin
Marked with a "y" if the number of new voters is greater than the marginality.
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UKIP In
Marked with a "y" if a UKIP candidate is standing in the constituency in 2017.
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UKIP Votes 2015
The number of votes the UKIP candidate received in 2015.
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UKIP Larger Than Margin
Marked with a "y" if the number of UKIP votes in 2015 was greater than the marginality.
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Green In
Marked with a "y" if a Green candidate is standing in the constituency in 2017.
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Green Votes 2015
The number of votes the Green candidate received in 2015.
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Green Larger Than Margin
Marked with a "y" if the number of green votes in 2015 was greater than the marginality.
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Sum UKIP and Green
The sum of votes the UKIP and Green candidates received in 2015.
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Sum UKIP and Green Larger Margin
Marked with a "y" if the sum of the UKIP and Green votes in 2015 was greater than the marginality.
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Winner 2015
The party that won the seat in 2015
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Second 2015
The party that finished second in 2015
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Winner 2017
The party that won the seat in 2017
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Gain or hold for incumbent
Indicates if the constituency was gained of held in 2017.
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Marginality 2017
The number of votes between the first and second candidate in 2017.
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Notes
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The number of new voters and total voters should be rounded in texts as they are estimates.
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The reason the number of seats don't add up in the "Totals" tab, as some of the seats are dublicate (two or even all three categories would flip the margin).
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As such the Newvoters, UKIP and Green tabs will contain duplicates
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The UKIP+Green tab contains five constituencies that are not included in the other sheets (and in this sheet totals), as the UKIP of Green voters alone wouldn't flip the margin, but their sum could
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The number of registered voters in 2017 has been verified for constituencies marked with an * in the different sheets.
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If you want to get in touch about this data email bureaulocal@tbij.com
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This dataset was put together by the Bureau Local. Please credit the Bureau of Investigative Journalism when reporting on it.
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