The three pie charts compare the popularity of four political parties in a country one month before the June 2005 election, six months and twelve months afterward, together with the proportion of Undecided people.
Overall, the Conservatives had the largest figures throughout the period. Liberal Democratic had less support over the period, while the percentage of Undecided people increased significantly.
One month before the June 2005 election, Conservatives support recorded the largest figure, at 41%, followed by Labour at 27%. Liberal Democratic had 18% support, whereas Green party had 10%, and Undecided only had 4%, the lowest figure among the parties.
By six months after the election, Conservatives support remained unchanged, at 41%. Labour ranked second, slipping slightly to 25%, whereas Liberal Democratic also declined, reaching 10%. However, Green Party and Undecided people recorded a rise, at 14% and 10%, respectively.
Twelve months after the election, the percentage of Conservatives support decreased slightly to 36%, although the party held the clear lead over Labour, whose figure increased modestly to 27%. Liberal Democratic experienced a drop, reaching 7%, while Green party returned to its initial level, at 10%. Particularly, Undecided people doubled to 20%.