Time for a quiz. Which one of these lines represents the relative popularity of the terms “square dance”, “round dance”, “line dance”, and “ballroom dance” on Google from 2005 to the present?

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See the answer on Google Trends.

Google’s Ngram Viewer counts how many times a particular phrase is used in over 5 million books. Here are the results for the term “square dance”.

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You can read up more about Google Ngram Viewer on Wikipedia. Or, you can try making your own ngrams here.

Try making an ngram for the following terms.

• round dance
• line dance
• square dance caller
• etc.

Apparently, November 29 is National Square Dance Day and September is National Square Dance Month, at least in the US.  In addition, there have been movements to declare square dancing the official national dance of the United States!