Deloitte Football Money League

The Deloitte Football Money League is a ranking of football clubs by revenue made from football operations. The accountancy firm Deloitte makes this list every year. It publishes it in early February of each year. It is about the season most recently finished.
Rankings by season.
2013.
For the fourth year in a row, the top 4 teams were Real Madrid, Barcelona, Manchester United and Bayern Munich. Real Madrid became the first team to have over €500 million in revenue. Manchester City, Borussia Dortmund and Napoli continued to go up the table quickly. 
2008.
The total revenue of the 20 richest clubs in the footballing world was over €3.73 billion. This was a record. Real Madrid stayed at the top of football's financial rankings for the third year in a row. Their revenue went up 20% to €351.8 million during the 2006–07 season.
Manchester United passed Barcelona into second place. The Spanish club moved down to third. Chelsea's revenue went up. They finished in the top five again, in fourth place. Arsenal's move to the Emirates Stadium changed their revenues. They moved up to fifth place. This was the first time any country (England) has had three clubs in the top five of the Money League.
European champions A.C. Milan moved up to sixth place. Runners-up Liverpool moved two places up to eighth. Italian champions Internazionale moved down two places to 9th. Bayern Munich moved up a place to seventh. Juventus' relegation into Serie B saw them move nine places down to 12th place.
2007.
The total revenue of the top 20 richest clubs in the world was over €3.3 billion. Barcelona moved up four places in the ranking for this year. This meant the two richest clubs were both from Spain. England has the largest number of clubs in the list. A club from Portugal was in the list for the first time. Portugal's Benfica is the third club from the Iberian Peninsula among the top 20 in the world, after Spain's Real Madrid and Barcelona.
2006.
In the rankings for the 2004–05 season, Real Madrid was at the top. Three clubs were not in the top twenty anymore (Marseille, Rangers, and Aston Villa). Lyon, Everton, and Valencia were on the list.
2005.
In the 2003–04 season, five clubs had revenues of over €200m. Manchester United was again ranked as the richest club in Europe.
2004.
English clubs were the most present in the money league for the 2002–03 season. There were five Premier League clubs in the top 10.
Annual Review of Football Finance 2011.
Europe's top five leagues had record growth. This made revenue higher in the continent's football industry. It went up 4 percent. This was an all-time high of 16.3 billion euros (£13.7 billion/$23.8 billion) in 2009-10. The “Big Five” had a total revenue of 8.4 billion euros. This was a 5 percent increase over 2008-09, according to Deloitte.
As well as this, a total of €754.1m was given to clubs playing in the 2008–09 UEFA Champions League. The two finalists, Barcelona and Manchester United, got the most money. Barcelona's win at Wembley in May 2009 earned them a total of €51m. Despite the loss, Manchester United got even more, €53m.