My reason for supporting AV is simple: it would create a fairer system of government that Britain deserves.

After weeks of haggling, Parliament finally passed the necessary legislation to set the stage for a referendum on changing the voting system for Britain’s general elections this coming May. A “Yes” vote would abandon the current “first past the post” (FPTP) system and adopt the “alternative vote” (AV). Both the “Yes” and “No” camps have now begun to campaign for their sides. I throw my weight—whatever its worth—behind the “Yes” camp.

There are many points of contention between the camps—how much AV would cost, whether people would understand, who in the world use it, whether it will boost or kill small parties etc. My support for AV is based solely on the belief that that would create a fairer and more contestable political system.

The current FPTP system allows electors to pick just one candidate on the ballot paper, and whoever gets the most votes wins. Simple and effective—but is it fair? British Members of Parliament serve two purposes: on a constituency level they represent the people in central Government, holding it to account; on a national level, the numbers of MPs from one party determine whether that party can form a Government.

In principle, in a constituency with three main contesting parties, under FPTP, a candidate needs to win only 34% of the vote to represent that constituency. Multiply that nationally, the winning party will not need anything close to a majority of votes to form a Government to raise our taxes, make our laws or take us to war. In 2005 Labour won 62% of seats with only 41% of the vote. Supporters of FPTP argue quite rightly that the current system allows strong Governments to be formed, but democracy is about building representative Governments, not strong ones.

AV would change that. It would allow voters to rank candidates by order of preference, and the winning candidate must garner at least 50% of the votes. More people’s votes must be counted to find a winner, rather than the 34% in the example given above. It would end the system where, for example, a Labour candidate in a constituency with an inner-city population greater than the suburban or rural population can ignore the latter’s preferences, because the suburban and rural second-preference votes can now also count against Labour. It would mean that every candidate must work harder to persuade people to vote for them, even as a second choice.

Supporters of FPTP fret that the chances of creating hung Parliaments are greater under AV, but that’s not a disaster. Politics, especially national politics, shouldn’t be about one party that hasn’t achieved a majority imposing its agenda on people who didn’t vote for it. In fact, we value compromise and consensus between stakeholders in all our social relationships—family, friends, couples. Why should national politics be any different?

FPTP supporters say that AV won’t bring the change it is intended, but stagnation in popular participation in national politics is partly due to apathetic voting culture encouraged by FPTP. Winning AV won’t change that overnight, but it would be the first step for people to re-engage with national politics. After all, it is the former that the latter is supposed to serve.

And now, you can make it happen, by voting “Yes” on 5 May.

Click for more information about the “Yes” and “No” camps.

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