Baseball is considered one of the world's "major sports" and is a national sport across North, Central and South America and the Caribbean, as well as East Asia. In Latin America, baseball is often referred to as "el rey de los deportes" (The King of Sports).  Baseball attracts approximately 150 million fans of all ages to ballparks worldwide and features the top two professional leagues in all of sport in terms of annual attendance. Baseball/softball is also considered one of the biggest gender-balanced youth sports, with the majority of its estimated 65 million athletes between the ages of five and 21 years of age.

The Premier12 is the flagship international baseball tournament organised by the WBSC, featuring the 12 best-ranked national baseball teams in the world. The first Premier12 global championship was held in Taiwan and Japan in November 2015, and generated over $131 million in brand exposure and a record two billion plus social media impressions. The second edition was held in Japan, Mexico, Taiwan and South Korea in 2019 and served as a qualifier for the Tokyo 2020 Olympic Games.

Professional baseball leagues are organised in many countries throughout the world:

The Americas

The Caribbean


The historic Serie Nacional del Béisbol Cubana is the top sports league in Cuba and one of the most historic/prestigious in the Americas. The iconic league features 16 clubs, which have produced numerous legendary international stars. Matanzas won their first title in the 2019-2020 season.



The Dominican Professional Baseball League (LIDOM) is the highest-level of professional baseball in the Dominican Republic, consisting of six teams. Toros del Este are the most recent LIDOM champions, winning the 2019-2020 title.



One of the earliest founded pro baseball leagues, the Roberto Clemente Professional Baseball League of Puerto Rico was launched in 1938 and is the top-tier sports league in the Caribbean territory. It consists of five teams, with Santurce winning the 2019-2020 title.



Baseball is a popular sport in the Caribbean ©Getty Images
Baseball is a popular sport in the Caribbean ©Getty Images

Central America

The Mexican Baseball League was founded in 1925 with six teams. There are now 16 teams split into the north and south divisions. Acereros de Monclova are the most recent champions, winning the title in 2019.


The Nicaraguan National Professional Baseball League was originally founded in 1956 and currently features four teams. Leones de León are the most recent champions after claiming the 2019-2020 title. 



Re-launched in 2011, the five-team Panamanian Professional Baseball League is the top-tier national baseball league in Panama. Astronautas de Chiriquí were crowned the 2019-2020 champions.



The Mexican Pacific League is an independent winter league with the eight-team regular season running from October to December, and a play-off series taking place in January to determine the champion. Tomateros de Culiacán are the most recent winners.


South America


Venezuela features one of the most competitive leagues in the Americas. Cardenales de Lara were crowned the 2019-2020 champions from the eight-team Liga Venezolana de Béisbol Profesional. 


The Colombian Professional Baseball League is a winter competition held over three months. There are six teams and the 2019-2020 champions were Vaqueros de Montería.


United States and Canada

Major League Baseball (MLB), the first-ever established professional sports league in the world in 1876, is the world's premier baseball league. Washington Nationals claimed their first-ever World Series title with their victory in 2019. There are currently 30 teams playing in MLB, across the American League and National League. 

In addition to the major leagues, many North American cities and towns feature minor league teams. The minor leagues are divided into classes AAA, AA, High A, Low A, Short-Season A, Advanced Rookie, and Rookie.


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Asia

Nippon Professional Baseball (NPB) is the premier and most historic sports league in Japan, helping to maintain baseball's position atop the sports pyramid in the country.

The most recent winners are the Fukuoka SoftBank Hawks, the 2019 champions. NPB features 12 teams.



The Korea Baseball Organization (KBO) is the most popular sports league in the Republic of Korea, particularly following the nation's gold medal in baseball at the Beijing 2008 Olympic Games. 

The Doosan Bears won the KBO league title in 2019, with 10 teams currently competing.



The five-team Chinese Professional Baseball League is the most prestigious and popular sports league in Taiwan. 

The Lamigo Monkeys are the reigning champions having won in 2019.


Founded relatively recently in 2002, China's professional baseball league, the Chinese Baseball League features 10 clubs. The 2019 champions were the Tianjin Lions.



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Europe

Of the more than 20 national leagues in Europe, the 10-team Italian Baseball League is considered the top baseball league in Europe.  The league features a team from San Marino, while Fortitudo Baseball Bologna won the most recent title in 2019.




The Dutch Baseball League is the highest level of professional baseball in The Netherlands and rivals the Italian Baseball League.  The eight-team league was won in 2019 by Amsterdam Pirates.




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Oceania

Established in 2010, the eight-team Australian Baseball League is the only top-tier professional baseball league in Oceania and is overseen by the Australian Baseball Federation. Its most recent champion is 2019-2020 winners Melbourne Aces.