In graphic: Poll of polls with 30 days to go
The seven-day rolling average of all published polls shows support for the Conservatives stands at 47%.
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With 30 days until the snap general election, the seven-day rolling average of all published polls shows support for the Conservatives stands at 47%.
The Labour Party has 29%, the Lib Dems 10%, Ukip on 7% and the Greens with 3%.
