Peter Kellner
Media playback is unsupported on your device

General Election 2015: How have the parties fared on the polls?

With just weeks until the 2015 general election, the boss of YouGov, Peter Kellner, explains how the main political parties' fortunes have fared in the past five years.

This footage has been created for an interactive video on the 2015 general election, which you can view here.

  • 10 Feb 2015