Chelsea Football Club
Chelsea played 338 league seasons and cup tournaments in the data, 1906 to 2026, winning 6 league titles, 13 domestic cups, 7 continental trophies, 2 world titles, 6 super cups. Success weighs every finish by how hard that competition was to win; Efficiency is the share of what the club could have won that it did win; Edge compares that with an average participant (×1.00).
| Competition | Won | Seasons |
|---|---|---|
| England top flight (Football League Division 1 / FA Premier League) | 6 | 1954-55, 2004-05, 2005-06, 2009-10, 2014-15, 2016-17 |
| FA Cup | 8 | 1970, 1997, 2000, 2007, 2009, 2009-10, 2011-12, 2017-18 |
| Football League Cup | 5 | 1964-65, 1997-98, 2004-05, 2006-07, 2014-15 |
| European Champion Clubs' Cup | 2 | 2011-12, 2020-21 |
| UEFA Cup / UEFA Europa League | 2 | 2012-13, 2018-19 |
| UEFA Cup Winners' Cup | 2 | 1970-71, 1997-98 |
| UEFA Europa Conference League | 1 | 2024-25 |
| FIFA Club World Cup (32 teams) | 1 | 2025 |
| FIFA Club World Cup | 1 | 2021-22 |
| FA Charity Shield / FA Community Shield | 4 | 1955, 2000, 2005, 2009 |
| UEFA Super Cup | 2 | 1998, 2021 |
| 6 | Juventus (Italy) | 362.7 |
| 7 | AC Milan (Italy) | 330.6 |
| 8 | Internazionale (Italy) | 314.5 |
| 9 | Chelsea (England) | 307.6 |
| 10 | Arsenal (England) | 286.8 |
| 11 | Manchester City (England) | 272.9 |
| 12 | Atlético de Madrid (Spain) | 258.7 |