The Serie A, also called Serie A TIM for national sponsorship with TIM, is a professional league competition for football clubs located at the top of the Italian football league system and the winner is awarded the scudetto and the Coppa Campioni d'Italia. It has been operating as a round-robin tournament for over ninety years since the 1929–30 season. It had been organized by the Direttorio Divisioni Superiori until 1943 and the Lega Calcio until 2010, when the Lega Serie A was created for the 2010–11 season. Serie A is regarded as one of the best football leagues in the world and it is often depicted as the most tactical and defensively sound national league. Serie A was the world's strongest national league in 2020 according to IFFHS, and is ranked fourth among European leagues according to UEFA's league coefficient – behind the Bundesliga, La Liga and the Premier League, and ahead of Ligue 1 – which is based on the performance of Italian clubs in the Champions League and the Europa League during the previous five years. Serie A led the UEFA ranking from 1986 to 1988 and from 1990 to 1999.
The Campeonato Nacional de Liga de Primera División, commonly known simply as Primera División in Spain, and as La Liga in English-speaking countries and officially as LaLiga Santander for sponsorship reasons, is the men's top professional football division of the Spanish football league system. Administered by the Liga Nacional de Fútbol Profesional, it is contested by 20 teams, with the three lowest-placed teams at the end of each season being relegated to the Segunda División and replaced by the top two teams and a play-off winner in that division.
The National League, known as the Vanarama National League for sponsorship reasons, is the highest level of the National League System and fifth-highest of the overall English football league system. It is the highest league that is semi-professional in the English football league system. Notable former English Football League clubs that compete in the National League include: Chesterfield, Oldham Athletic, Rochdale and Southend United. The National League is the lowest division in the English football pyramid organised on a nationwide basis. Formerly the Conference National, the league was renamed the National League from the 2015–16 season.
The English Football League Championship, known simply as the Championship in England and for sponsorship purposes as Sky Bet Championship, is the highest division of the English Football League (EFL) and second-highest overall in the English football league system after the Premier League, and is currently contested by 24 clubs.
The English Football League Two, simply known as League Two in England and for sponsorship purposes as Sky Bet League Two, is the 3rd and lowest division of the English Football League (EFL) and fourth-highest division overall in the English football league system.
The English Football League One, known as Sky Bet League One for sponsorship purposes or simply League One in England, is the second-highest division of the English Football League and the third tier overall in the English football league system.
The Primeira Liga, also known as Liga Portugal Bwin for sponsorship reasons, is the top level of the Portuguese football league system. Organised and supervised by the Liga Portugal, it is contested by 18 teams since the 2014–15 season, with the three lowest-placed teams relegated to the Liga Portugal 2 and replaced by the top-three non-reserve teams from this division.
The Liga Portugal 2, also known as Liga Portugal 2 SABSEG for sponsorship reasons, is the second-highest division of the Portuguese football league system. At the end of each season, the two top-finishing teams are promoted to the top-tier Primeira Liga and the two lowest-ranked teams are relegated to the third-tier league. Starting with the 2021–22 season, relegated teams will no longer compete in the Campeonato de Portugal, which will become the fourth tier, but in a newly created third-level competition named Liga 3.
Ligue 1, officially known as Ligue 1 Uber Eats for sponsorship reasons, is a French professional league for men's association football clubs. At top of the French football league system, it is the country's primary football competition. Administered by the Ligue de Football Professionnel, Ligue 1 is contested by 20 clubs and operates on a system of promotion and relegation from and to Ligue 2.
Ligue 2, also known as Ligue 2 BKT due to sponsorship by Balkrishna Industries, is a French professional football league. The league serves as the second division of French football and is one of two divisions making up the Ligue de Football Professionnel (LFP), the other being Ligue 1, the country's top football division. Contested by 20 clubs, it operates on a system of promotion and relegation with both Ligue 1 and the third division Championnat National. Seasons run from August to May, with teams playing 38 games each, totalling 380 games in the season. Most games are played on Fridays and Mondays, with a few games played during weekday and weekend evenings. Play is regularly suspended the last weekend before Christmas for two weeks before returning in the second week of January.
The Süper Lig, officially known as Spor Toto Süper Lig for sponsorship reasons, is a Turkish professional league for association football clubs. It is the top-flight of the Turkish football league system and is run by the Turkish Football Federation. In the 2022–23 season, nineteen clubs compete, where a champion is decided and three clubs are promoted from, and relegated to the 1. Lig. The season runs from August to May, with each club playing 36 matches. Matches are played Friday through Monday.
In European football, the UEFA coefficients are statistics based in weighted arithmetic means used for ranking and seeding teams in club and international competitions. Introduced in 1979 for men's football tournaments, and after applied in women's football and futsal, the coefficients are calculated by UEFA, who administer football within Europe, as well as Armenia, Israel and the Asian parts of some transcontinental countries.
The Championnat de France National, commonly referred to as simply National or Division 3, serves as the third division of the French football league system behind Ligue 1 and Ligue 2. Contested by 18 clubs, the Championnat National operates on a system of promotion and relegation with Ligue 2 and the Championnat National 2, the fourth division of French football.
The Cypriot First Division is the top tier football league competition in Cyprus, run by the Cyprus Football Association. Since February 2016, it is sponsored by Cyta and is thus officially known as the Cyta Championship. The league is contested by 14 teams and runs from August to May, with the three lowest-placed teams being relegated to the Cypriot Second Division, and replaced by the top three teams in that division.
The Kategoria Superiore, officially known as Abissnet Superiore for sponsorship reasons, is a professional league for men's association football clubs. At the top of the Albanian football league system, it is the country's primary football competition. It is contested by 10 clubs, and operates on a system of promotion and relegation with the Kategoria e Parë. Seasons run from August to May, with teams playing 36 matches each.
The English Football League (EFL) is a league of professional football clubs from England and Wales. Founded in 1888 as the Football League, the league is the oldest such competition in the world. It was the top-level football league in England from its foundation until 1992, when the top 22 clubs split from it to form the Premier League.
The Football League First Division was a division of the Football League in England from 1888 until 2004. It was the top division in the English football league system from the season 1888–89 until 1991–92, a century in which the First Division's winning club became English football champions.
The Scottish Premiership, known as the cinch Premiership for sponsorship reasons, is the top division of the Scottish Professional Football League (SPFL), the league competition for men's professional football clubs in Scotland. The Scottish Premiership was established in July 2013, after the SPFL was formed by a merger of the Scottish Premier League and Scottish Football League. There are 12 teams in this division, with each team playing 38 matches per season. Sixteen different clubs have played in the Scottish Premiership since its creation in the 2013–14 season. Celtic are the current league champions, having won the 2022–23 Scottish Premiership.
The Scottish Championship, known as the cinch Championship for sponsorship reasons, is the second tier of the Scottish Professional Football League, the league competition for men's professional football clubs in Scotland. The Scottish Championship was established in July 2013, after the Scottish Professional Football League was formed by a merger of the Scottish Premier League and Scottish Football League.
