With Hillary Clinton scheduled to accept the Democratic Party’s nomination for president tonight in Philadelphia, the U.S. general election is officially upon us.
That means we can expect plenty of fireworks, cable news prognostication, and partisan bile in the next three months. Most of that, it’s safe to say, is best ignored. Fortunately, an election year also brings plenty for the history- and data-minded among us.
With Nov. 8 in mind, we took a look at how state-by-state voting results have changed over the last 13 presidential elections. You can find our visualization – made in OnePager for Excel – here, or expand it by clicking the thumbnail on this page. Bright blue means an overwhelming Democratic victory, and red means the same for the Republicans. Shades of purple represent a closer vote; true purple would be a 50-50 tie.
What do we learn when we examine historical voting trends this way? Quite a few things. Continue reading