FC Barcelona is one of three clubs never to have been relegated from La Liga and the most successful club in Spanish football after Real Madrid, having won nineteen La Liga titles, a record twenty-five Spanish Cups, eight Spanish Super Cups, four Eva Duarte Cups and twoLeague Cups. They are also one of the most successful clubs in European football having won thirteen official major European trophies in total, including ten UEFA competitions. They have won three UEFA Champions League titles, a record four UEFA Cup Winners' Cups, a record three Inter-Cities Fairs Cups (the forerunner to the UEFA Cup) and three UEFA Super Cups. In 2009, Barcelona became the first club in Spain to win the treble of La Liga, Copa del Rey and UEFA Champions League. The club is also the only European side to have played continental football in every season since its inception in 1955.
The club's stadium is the Camp Nou, the largest stadium in Europe with a capacity of 98,772 seats. Barcelona enjoys a high rate of popularity; about 25.7% of Spanish population support the club, while according to a recent survey Barcelona is the most popular football club in Europe with around 44.2 million fans. With 170,000 socis (members) in September 2009, the Catalan club is also placed among the top football clubs in the world with the most registered members, and the number of penyes, the officially-registered supporter clubs, reached the number of 1,888 worldwide in August 2009. The fans of FC Barcelona are known as culés. The club shares a great rivalry with Real Madrid and contest in one of the most famous football matches worldwide, known as El Clásico.
During the 2007–08 season, FC Barcelona was the third richest club in the world with a revenue of €308.8 million. It was also one of the founding members of the now-defunct G-14 group of the leading European football clubs and its modern replacement, the European Club Association. The club also operates a reserve team, FC Barcelona Atlètic, while there was a youth team until 2007, FC Barcelona C.
As of July 1, 2009, FC Barcelona was ranked first in UEFA team ranking. According to the International Federation of Football History and Statistics (IFFHS), Barça has been the most consistently successful club in the world since the organisation began collecting statistics, in the period 1991-2008.