In addition to membership, as of 2010[update] there are 1,335 officially registered fan clubs, called penyes, around the world. The fan clubs promote Barcelona in their locality and receive beneficial offers when visiting Barcelona. Among the best supported teams globally, Barcelona has the highest social media following in the world among sports teams, with over 90 million Facebook fans as of February 2016. The club has had many prominent people among its supporters, including Pope John Paul II, who was an honorary member, and former prime minister of Spain José Luis Rodríguez Zapatero. FC Barcelona has the second highest average attendance of European football clubs only behind Borussia Dortmund.