Chelsea are among the most widely supported football clubs in the world. They have the sixth highest average all-time attendance in English football, and regularly attract over 40,000 fans to Stamford Bridge; they were the seventh best-supported Premier League team in the 2013–14 season, with an average gate of 41,572. Chelsea's traditional fanbase comes from all over the Greater London area including working-class parts such as Hammersmith and Battersea, wealthier areas like Chelsea and Kensington, and from the home counties. There are also numerous official supporters clubs in the United Kingdom and all over the world. Between 2007 and 2012, Chelsea were ranked fourth worldwide in annual replica kit sales, with an average of 910,000. As of 2018, Chelsea had 72.2 million followers on social media, the fourth highest among football clubs.