Poll tracker: Interactive guide to the opinion polls

Follow the changes in political fortune with the poll tracker, which measures opinion poll support for Labour, the Conservatives and the Lib Dems. Use it to compare current party ratings and check back through the years to see how they have performed since 1983.

The poll shown selected is the most recent added. For more details, including margins of error and how polls are selected, please refer to the Poll tracker: How it works page.

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Date of poll	Conservative	Labour	Liberal Democrat	source
21/04/2010	32%	28%	31%	Populus
21/04/2010	33%	27%	30%	Poll of polls
21/04/2010	35%	25%	27%	ComRes
21/04/2010	32%	28%	32%	Ipsos-Mori
21/04/2010	31%	26%	30%	Harris
22/04/2010	33%	27%	31%	YouGov
22/04/2010	32%	27%	31%	Poll of polls
23/04/2010	34%	29%	28%	YouGov
23/04/2010	33%	27%	30%	Poll of polls
25/04/2010	36%	30%	23%	Ipsos-Mori
25/04/2010	34%	28%	29%	ComRes
25/04/2010	35%	26%	31%	ICM
25/04/2010	35%	27%	28%	YouGov
26/04/2010	34%	28%	30%	YouGov
26/04/2010	35%	28%	29%	Poll of polls
26/04/2010	33%	28%	30%	ICM
26/04/2010	32%	28%	31%	ComRes
27/04/2010	33%	28%	29%	YouGov
27/04/2010	33%	29%	29%	ComRes
27/04/2010	33%	28%	30%	Poll of polls
28/04/2010	33%	29%	28%	YouGov
28/04/2010	36%	27%	28%	Populus
28/04/2010	36%	29%	26%	ComRes
28/04/2010	33%	29%	28%	Poll of polls
29/04/2010	34%	27%	31%	YouGov
29/04/2010	34%	29%	28%	Poll of polls
30/04/2010	34%	27%	28%	YouGov
30/04/2010	33%	24%	32%	Harris
01/05/2010	34%	28%	28%	YouGov
02/05/2010	38%	28%	25%	ComRes
02/05/2010	35%	27%	28%	YouGov
02/05/2010	36%	29%	27%	ICM
02/05/2010	35%	28%	28%	Poll of polls
03/05/2010	34%	28%	29%	YouGov
03/05/2010	33%	28%	28%	ICM
03/05/2010	37%	29%	26%	ComRes
03/05/2010	36%	28%	27%	Poll of polls
04/05/2010	35%	28%	28%	YouGov
04/05/2010	35%	28%	28%	Poll of polls
	%	%	%