Gangnam Style
Europe

In Europe, the song was successful as well, topping the charts in almost all countries. "Gangnam Style" made its first European chart appearance, entering the Danish Singles Chart at number 40 on August 3, 2012. It reached the top ten in its fifth week, and climbed to number four in its sixth. For the issue dated September 14, 2012, the song became Psy's first number one on the chart, ending the one-week reign of the Danish rock band Nephew 's "Hjertestarter." The song remained at the top position for seven consecutive weeks, tying it with " Somebody That I Used to Know " performed by Gotye featuring Kimbra for the longest running number one single on the chart for 2012. In its 24th week, it climbed back to the top, giving it its 8th week in that position. The single spent 22 straight weeks in the top ten of the chart. In January 2013, the International Federation of the Phonographic Industry (IFPI Denmark) certified the single 2× Platinum, denoting sales of 60,000 copies.

The song entered the UK Singles Chart at number 196 on September 1, 2012, and in its fourth week broke into the top 40 at number 37. In its fifth week, the song reached the top five on the chart and eventually peaked at number one on the week of October 6, becoming the first-ever K-pop song to achieve that feat. While the track only remained atop the chart for one week before being overtaken by Rihanna's " Diamonds ", it spent a further 17 consecutive weeks in the top ten of the chart before it fell to number twelve on the January 26, 2013, chart. The song was the sixth biggest selling single of 2012 with 878,000 sales, and ranked at number 24 among the top 40 most streamed tracks of the year in the United Kingdom. According to Official Charts Company sales data, "Gangnam Style" has become not only the 129th track to sell more than 1 million copies in the history of the UK's Official Singles Chart, but also the first million seller by an Asian music star. On April 9, 2013, the song became 13th most downloaded single ever in the UK.

Elsewhere in Europe, the song also peaked at number one on the German Singles Chart for two non-consecutive weeks in 2012. For the week of January 11, 2013, it returned to the summit, ending the ten-consecutive-week reign of "Diamonds" by Rihanna, and spent a week at the top. Psy's song remained in the top ten on the chart for a 19th straight week including 15 in the top three position since October 2012. It has been certified 5× Gold by the Bundesverband Musikindustrie (BVMI), denoting sales of 750,000 copies. In addition, the single remained number one in Austria for four nonconsecutive weeks, Belgium (Flanders) for five consecutive weeks, Belgium (Wallonia) for seven straight weeks, Czech Republic for one week, Finland for four consecutive weeks, France for six non-consecutive weeks, Italy for a week, the Netherlands for two consecutive weeks, Norway for four straight weeks, Scotland for a week, Spain for 12 consecutive weeks, and Switzerland for three nonconsecutive weeks. It additionally placed top five positions in Iceland, Ireland, and Sweden, and top ten in Hungary and Slovakia.
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