This is a list of the richest football clubs in the world as ranked by Forbes magazine on their worth in United States dollars (USD). The statistics used are for the 2010.
10. Internazionale

Value ($M): 441
Revenue ($M): 275
Country: Italy
Football Club Internazionale Milano, Inter, or outside Italy, the club is often called Inter Milan. They are the reigning FIFA Club World champions and Coppa Italia holders.The club has won 30 domestic trophies, including the league eighteen times, the Coppa Italia seven and the SupercoppaItaliana five.

Inter have won three times the Champions League; two back-to-back in 1964 and 1965 and then another in 2010. The last completed an unprecedented Italian treble with the Coppa Italia and the Scudetto. The club has also won three UEFA Cups, two Intercontinental Cups and one FIFA Club World Cup.

9. Liverpool

Value ($M): 552
Revenue ($M): 276
Country: England

Liverpool Football Club is an English Premier League football club based in Liverpool, Merseyside. Liverpool has won eighteen League titles, second most in English football, seven FA Cups and a record seven League Cups. Liverpool has won more European titles than any other English club, with five European Cups, three UEFA Cups and three UEFA Super Cups.

The club’s supporters have been involved in two major tragedies. The first was the Heysel Stadium disaster in 1985, in which charging Liverpool fans caused a wall to collapse, killing 39 Juventus supporters. In the 1989 Hillsborough disaster, 96 Liverpool supporters lost their lives in a crush against perimeter fencing.

8. Juventus

Value ($M): 628
Revenue ($M): 251
Country: Italy
Juventus Football Club S.p.A.,Juventus, Juve  are a professional Italian association footballclub based in Turin, Piedmont. The club is the third oldest of its kind in the country and has spent its entire history, with the exception of the 2006–07 season, in the top flight First Division (known as Serie A since 1929).
Juventus are historically the most successful club in Italian football and one of the most laureated and important globally. They have won overall fifty-one official titles at the national and international stage, more than any other Italian club: a record twenty-seven league titles, a record nine Italian cups and four national super cups and, with eleven titles in confederation and inter-confederation competitions (two Intercontinental Cups, two European Champion Clubs’ Cup/UEFA Champions Leagues, one UEFA Cup Winners’ Cup, a record three UEFA Cups, one UEFA Intertoto Cup and two UEFA Super Cups), the club currently ranks fourth in Europe and seventh in the world with the most trophies won.

7. Chelsea F.C

Value ($M): 658
Revenue($M):313
Country: England
Chelsea Football Club are an English football club based in West London. Founded in 1905, they play in the Premier League and have spent most of their history in the top tier of English football. Chelsea have been English champions four times, FA Cup winners six times and League Cup winners four times. They have also been successful in Europe, winning the UEFA Cup Winners’ Cup twice.
The past decade has been the most successful period in Chelsea’s history, capped by winning Premier League titles in 2005, 2006 and 2010, the latter as part of their first league and FA Cup "Double”. Despite their name, the club is not based in Chelsea, but in neighboring Fulham. Since 2003 they have been owned by Russian billionaire Roman Abramovich.

6. AC Milan

Value ($M): 838
Revenue ($M):289
Country: Italy
Associazione Calcio Milan, A.C. Milan, is a professional Italian football club based in Milan, Lombardy, that plays in the Serie A. Milan was founded in 1899 by English lace-maker Herbert Kilpin and businessman Alfred Edwards among others.They are the current Italian football champions, and are the most successful club in world football in terms of international trophies along with Boca Juniors, with 18 officially recognized UEFA and FIFAtitles. Milan has won four world titles, more than any other club in the world, having won the Intercontinental Cup three times and the FIFA Club World Cup once. Milan also won the European Cup/Champions League on seven occasions, second only to Real Madrid. They also won the UEFA Super Cup a record five times and the Cup Winners’ Cup twice. Milan won every major competition in which it has competed, with the exception of the Europa League in which they lost two semifinals.

The owner of the club is Italian Prime Minister Silvio Berlusconi, and the vice-president is Adriano Galliani. Milan is one of the wealthiest and most valuable clubs in Italian and world football.

5. Barcelona

Value ($M): 975
Revenue ($M): 488
Country: Spain

Futbol Club Barcelona, Barcelona, Barça, is a professional football club, based in Barcelona, Catalonia, Spain.
Founded in 1899 by a group of Swiss, English and Catalan footballers led by Joan Gamper, the club has become a symbol of Catalan culture and Catalanism, hence the motto "Mésque un club” (English: More than a club). The official Barça anthem is the "Cant del Barça” written by Jaume Picas and Josep Maria Espinàs. Unlike many other football clubs, the supporters own and operate Barcelona. The club holds a long-standing rivalry with Real Madrid, and matches between the two teams are referred to as "El Clásico”.

4. Bayern Munich

Value($M): 1,048
Revenue($M): 396
Country: Germany

FC Bayern Munich is a Germansports club based in Munich, Bavaria. It is best known for its professional football team, which is the most successful football club in Germany, having won 22 national titles and 15 cups.
The club was founded in 1900 by eleven football players led by Franz John.In recent years Bayern Munich has been by far the most successful team in German football, winning six of the last ten championships. The club’s last international title was the Intercontinental Cup in 2001, though they won their fourth European Cup the same year.
The team colours are red and white; the team crest shows the colours of Bavaria.

3. Arsenal

Value($M): 1,192
Revenue($M):336
Country: England

Arsenal Football Club is a professional English Premier Leaguefootball club based in North London. One of the most successful clubs in English football, it has won 13 First Division and Premier League titles and 10 FA Cups. Arsenal holds the record for the longest uninterrupted period in the English top flight and is the only side to have completed a Premier League season unbeaten.
Arsenal has a long-standing rivalry with neighbours Tottenham Hotspur, with whom it regularly contests the North London derby. Arsenal is also the third most valuable Association football club in the world as of 2010, valued at $1.2 billion.

2. Real Madrid

Value ($M): 1,451
Revenue ($M): 537
Country: Spain
Real Madrid Club de Fútbol, Real Madrid, is a professional football club based in Madrid, Spain. The club have won a record 31 La Liga titles, 18 Copas del Rey, 8 Spanish Super Cups, 1 Copa Eva Duarte and 1 Copa de la Liga, while in international competitons have won a record 9 UEFA Champions League titles, 2 UEFA Cups, 1 UEFA Super Cup and 3 Intercontinental Cups.

Founded in 1902 by two Catalan brothers, Juan Padrós and Carlos Padrós, Real Madrid has never been relegated from La Liga, the top league of Spanish football. The word "Real” in the club’s name is the Spanish term for "royal”, and was given by the King Alfonso XIII in 1920 together with the royal crown in the emblem. The club established itself as a major force in both Spanish and European football during the 1950s.

Real Madrid holds long-standing rivalries with other football clubs, most notably FC Barcelona.
Mahcester united

Value ($M): 1,864
Revenue ($M): 428
Country: England
Manchester United Football Club is an English professional football club, based in Old Trafford, Greater Manchester.

Founded as Newton Heath LYR Football Club in 1878, Manchester United has won the most titles in English football, with 53 domestic trophies, comprising a record 19 league titles, a record 11 FA Cups, fourLeague Cups and 19 FA Charity/Community Shields. The club has also been successful globally, winning seven international titles: three European Cups, one UEFA Cup Winners’ Cup, one UEFA Super Cup, one Intercontinental Cup and one FIFA Club World Cup. In 1998–99, the club won a "Treble” of the Premier League, the FA Cup and the UEFA Champions League, an unprecedented feat for an English club.

Manchester United is one of the wealthiest and most widely supported football teams in the world. As of July 2011, the club is number one in Forbes magazine’s annual ranking of the world’s 50 most valuable sports teams, valued at $1.86 billion. After being floated on the London Stock Exchange in 1991, the club was purchased by Malcolm Glazer in May 2005 in a deal valuing the club at almost £800 million.

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