It shows the enduring popularity of the self-deprecating video that features Park Jae-sang's giddy up-style dance moves. The video has been available on YouTube since July 15, averaging more than 200 million views per month.
Justin Bieber's video for "Baby" held the previous YouTube record at more than 800 million views.
PSY wasn't just popular on YouTube, either. Earlier this month Google announced "Gangnam Style" was the second highest trending search of 2012 behind Whitney Houston, who passed away in February.