imgLondon, UK & Stockholm, Sweden (December 11, 2013)—Spotify has released its review of 2013, reporting that it streamed 4.5 billion hours of music this year, and revealing fun facts about its 24 million currently active listeners.

On the global scale, Rihanna and Macklemore were respectively the most popular female and male artists on Spotify. Imagine Dragons was the most popular band.

The most popular track was "Can't Hold Us" by Macklemore and Ryan Lewis, from the most popular album, “The Heist.” The most streamed song in the last five years is "Thrift Shop" by Macklemore and Ryan Lewis, with more than 150 million streams.

The most viral track was “"Get Lucky" by Daft Punk—also the song to receive the most plays in a single day, with 1.5 million streams—and the most viral new artist was Lorde.

One billion playlists have been created by Spotify users to date. The largest playlist library is a user in the U.S. with over 90,000 playlists. The Billboard Hot 100 is the most popular playlist globally.

Nationwide in the United States, the top five most streamed songs in 2013 were "Radioactive" by Imagine Dragons, "Thrift Shop" by Macklemore and Ryan Lewis, "Can't Hold Us" by Macklemore and Ryan Lewis, "Get Lucky" by Daft Punk and "Blurred Lines" by Robin Thicke. Coincidentally, three of those—"Radioactive," "Get Lucky" and "Blurred Lines"—were just nominated for a Grammy Award in the Record of the Year category.

In New York, the only U.S. city to make it into the world’s most active list, the most followed artist is Fun. The top radio station is “Hip-Hop.” The review also notes that New York City listens to Jay Z 88% more than the rest of the world.

According to Spotify, 20,000 songs added every day to its service. However, 20% of the songs available on the streaming service have never been listened to by a single listener.

Spotify: the 2013 Year in Review