How much does a vote matter? (Article)

Today’s release is the latest in our series of audio versions of our articles.

In this one — How much does a vote matter? — I investigate the two key things that determine the impact of your vote:

• The chances of your vote changing an election’s outcome
• How much better some candidates are for the world as a whole, compared to others

I then discuss what I think are the best arguments against voting in important elections:

• If an election is competitive, that means other people disagree about which option i...