USA Baseball is the national governing body for baseball in the United States, and is a member of the United States Olympic Committee and the World Baseball Softball Confederation. The organization is responsible for the selection of the United States national team for various international competition, including the senior professional team, the collegiate national team, the various youth national teams, and the women's national team.
The United States national baseball team, also known as Team USA represents the United States in international-level baseball competitions. The team is currently ranked 2nd in the world by the World Baseball Softball Confederation. The United States has won many international tournaments, many of which are now discontinued. Most notably the team won the Olympic baseball tournament in 2000, and the World Baseball Classic (WBC) in 2017.
The U-18 Baseball World Cup is the 18-and-under baseball world championship sanctioned by the International Baseball Federation (IBAF) and its successor, the World Baseball Softball Confederation (WBSC), and was first held in 1981 in the United States. Because it is a world championship, the results of the U-18 Baseball World Cup affect the WBSC World Rankings.
The Women's Baseball World Cup is an international tournament in which national women's baseball teams from around the world compete. Through its 2012 edition, it was sanctioned by the International Baseball Federation; following the 2013 merger of the IBAF with the International Softball Federation, subsequent tournaments are sanctioned by the World Baseball Softball Confederation (WBSC). In the eight times it has been held, the tournament has been won twice by the United States and six consecutive times by Japan in 2008, 2010, 2012, 2014, 2016 and 2018.
The Japan national under-18 baseball team is the national under-18 team representing Japan in international baseball competitions. The organization is currently ranked 1st in the world by the World Baseball Softball Confederation. They compete in the bi-annual U-18 Baseball World Cup. They have finished 2nd in the tournament four times.
The Cuba national under-18 baseball team is the national under-18 team representing Cuba in international baseball competitions. The organization is currently ranked 9th in the world by the World Baseball Softball Confederation. They compete in the bi-annual U-18 Baseball World Cup. They have won the tournament a leading 11 times.
The Chinese Taipei national under-18 baseball team is the national under-18 team representing Chinese Taipei in international baseball competitions. The organization is currently ranked 2nd in the world by the World Baseball Softball Confederation. They compete in the bi-annual U-18 Baseball World Cup. They have won the tournament three times.
The Canada national under-18 baseball team is the national under-18 team representing Canada in international baseball competitions. The organization is currently ranked 12th in the world by the World Baseball Softball Confederation. They compete in the bi-annual U-18 Baseball World Cup. They have won the tournament once.
The Australia national under-18 baseball team is the national under-18 team representing Australia in international baseball competitions. The organization is currently ranked 10th in the world by the World Baseball Softball Confederation. They compete in the bi-annual U-18 Baseball World Cup. They have finished 2nd once and 3rd four times in the tournament.
The Mexico national under-18 baseball team is the national under-18 team representing Mexico in international baseball competitions. The organization is currently ranked 4th in the world by the World Baseball Softball Confederation. They compete in the bi-annual U-18 Baseball World Cup.
The Netherlands national under-18 baseball team is the national under-18 team representing the Netherlands in international baseball competitions. The organization is currently ranked 8th in the world by the World Baseball Softball Confederation. They compete in the bi-annual U-18 Baseball World Cup.
The Italy national under-18 baseball team is the national under-18 team representing Italy in international baseball competitions. The organization is currently ranked 17th in the world by the World Baseball Softball Confederation. They compete in the bi-annual U-18 Baseball World Cup.
The Czech Republic national under-18 baseball team is the national under-18 team representing the Czech Republic in international baseball competitions. The organization is currently ranked 14th in the world by the World Baseball Softball Confederation. They compete in the bi-annual U-18 Baseball World Cup.
The France national under-18 baseball team is the national under-18 team representing France in international baseball competitions. The organization is currently ranked 22nd in the world by the World Baseball Softball Confederation. They compete in the bi-annual U-18 Baseball World Cup.
The Colombia national under-18 baseball team is the national under-18 team representing Colombia in international baseball competitions. The organization is currently ranked 11th in the world by the World Baseball Softball Confederation. They compete in the bi-annual U-18 Baseball World Cup.
The China national under-18 baseball team is the national under-18 team representing China in international baseball competitions. The organization is currently ranked 21st in the world by the World Baseball Softball Confederation. They compete in the bi-annual U-18 Baseball World Cup.
The Spain national under-18 baseball team is the national under-18 team representing Spain in international baseball competitions. The organization is currently ranked 19th in the world by the World Baseball Softball Confederation. They compete in the bi-annual U-18 Baseball World Cup.
The Thailand national under-18 baseball team is the national under-18 team representing Thailand in international baseball competitions. The organization is currently ranked 50th in the world by the World Baseball Softball Confederation. They compete in the bi-annual U-18 Baseball World Cup.
The Germany national under-18 baseball team is the national under-18 team representing Germany in international baseball competitions. The organization is currently ranked 18th in the world by the World Baseball Softball Confederation. They compete in the bi-annual U-18 Baseball World Cup.
The Slovakia national under-18 baseball team is the national under-18 team representing Slovakia in international baseball competitions. The organization is currently ranked 35th in the world by the World Baseball Softball Confederation. They compete in the bi-annual U-18 Baseball World Cup.
United States 
1st (8 times, most recent in 2015 U-18 )
1st (4 times, most recent in 2016 U-18 )
