WELCOME to our Daily chart advent calendar. We've crunched the numbers behind every Daily chart published in 2016 and have created a ranking based on page views, time on page, Facebook Likes and number of comments. The 24 most popular maps, charts, data visualisations and interactive features sit behind the calendar doors below, and a new door will be available to open every day until Christmas Eve when our most popular infographic of 2016 will be revealed. There's also an entirely new graphic behind door number 25—a Christmas gift to all our readers who’ve been good this year.

Season’s greetings from everyone at The Economist.

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Touch-screen devices: tap doors twice to open.