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Chart facts & stats
4 sourced facts about music charts and the music industry, each with the context behind the number. 4 more are in today's round and appear here after it closes.
Expert level
In February 2005, what new data source did Billboard begin folding into the Hot 100 chart?
Answerdigital sales (iTunes, Musicmatch, Rhapsody)
Adding digital purchases was one of the biggest shake-ups in how the chart counted popularity.
Source: Wikipedia: Billboard Hot 100 (2005) en.wikipedia.org
When did the Hot 100 first start counting weekly on-demand streaming numbers?
AnswerAugust 2007
Streaming data eventually became one of the chart's biggest inputs.
Source: Wikipedia: Billboard Hot 100 (2007) en.wikipedia.org
As of September 2026, how many different songs had reached No. 1 on the Hot 100 in the chart's history?
Answer1,194
The Hot 100 has been crowning No. 1 hits since 1958, adding up to well over a thousand chart-toppers.
Source: Wikipedia: Billboard Hot 100 en.wikipedia.org
In 2006, file-sharing service Kazaa's parent company agreed to pay the RIAA how much to settle a copyright lawsuit?
Answer$115 million
The settlement was part of the music industry's broader legal fight against illegal file-sharing networks.
Source: Recording Industry Association of America (via Wikipedia) (2006) en.wikipedia.org
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