While the more established parties, such as the Front National and the Sweden Democrats, look set to enjoy the next year, others are likely to remain firmly on the fringe.
Our culture values certainty and dogmatism. We should all be more open about the times when we were wrong – and what made us reconsider. Here, seven writers confess all.
The PM's Ukip-style positioning on immigration is viewed as weakness or blackmail by the rest of the EU.
The Transatlantic Trade and Investment Partnership gives the coalition's health reforms international legal backing.
Promising an in/out vote would shift the debate back onto Tory territory and allow Cameron to claim that Miliband is dancing to his tune.
The threat by Nissan to withdraw from Britain if the UK leaves the EU shows how the Tories' euroscepticism pulls against their emphasis on stability.
MPs who last year wanted the Labour leader to trump Cameron by calling for a snap poll on Europe say the moment has passed.
In defiance of ministers' claims, the new report finds that EU migrants are "less likely to receive disability and unemployment benefits".
UKIP leader denounces "this washed up politician" after he declares that Labour must "absolutely not" support a referendum on EU membership.
As Ed Miliband comes under pressure to promise a referendum, the former Labour leader warns that the dangers of an in/out vote are "massive".