The Little League World Series is an annual baseball tournament for children aged 10 to 12 years old, held in the Eastern United States. Originally called the National Little League Tournament, it was later renamed for the World Series in Major League Baseball. The Series was first held in 1947 and is held every August in South Williamsport, Pennsylvania; while the postal address of the organization is in Williamsport, the Series itself is played at Howard J. Lamade Stadium and Volunteer Stadium at the Little League headquarters complex in South Williamsport.
The results of the 2007 Little League World Series were determined between August 17 and August 26, 2007, in South Williamsport, Pennsylvania. 16 teams were divided into four groups, two with four teams from the United States and two with four international teams each, playing in a round robin format. In each group, the top two teams advanced to the knockout stage. The last remaining team from the United States faced the last remaining international team for the Little League World Series Championship.
The results of the 2008 Little League World Series were determined between August 15 and August 24, 2008 in South Williamsport, Pennsylvania. 16 teams were divided into four groups, two with four teams from the United States and two with four international teams each, playing in a round robin format. In each group, the top two teams advanced to the knockout stage. The last remaining team from the United States faced the last remaining international team for the Little League World Series Championship.
The 2009 Little League World Series was the 63rd edition of the championship tournament for Little League baseball, held in South Williamsport, Pennsylvania, from August 21 through August 30, 2009. Eight teams from the United States and eight from the rest of the world competed in the tournament. In the championship game, the United States champions, from Chula Vista, California, defeated the international champions from Taoyuan County, Taiwan. This was the first tournament in which a team representing Chinese Taipei reached the championship game since 1996, and the first championship for a team from the state of California since 1993.
The West Region is one of ten United States regions that currently send teams to the Little League World Series, the largest youth baseball competition in the world. The region's participation in the LLWS dates back to 1957, when it was known as the West Region. However, when the LLWS was expanded in 2001 from eight teams to 16 teams, the former West Region was split into the Northwest Region and a new West Region. The West Region headquarters is in San Bernardino, California.
The Senior League World Series is a baseball tournament for adolescents aged 13 to 16 years old that began in 1961. In 2017, the tournament was moved from Bangor, Maine to Easley, South Carolina. It is patterned after the Little League World Series, which was named for the World Series in Major League Baseball since 2002.
The results of the 2010 Little League World Series were determined between August 20 and August 29, 2010 in South Williamsport, Pennsylvania. 16 teams were divided into four groups, two with four teams from the United States and two with four international teams each, with both groups playing a double-elimination tournament. In each group, the last remaining team advanced to the single-elimination stage. The last remaining team from the United States faced the last remaining international team for the Little League World Series Championship.
The 2011 Little League World Series took place in South Williamsport, Pennsylvania, between August 18 and 28. Eight teams from the United States and eight from elsewhere in the world competed in the 65th edition of this tournament. Ocean View Little League of Huntington Beach, California, defeated Hamamatsu Minami Little League of Hamamatsu City, Japan, in the championship game. Nick Pratto hit an RBI single to clinch the title for Ocean View.
The results of the 2011 Little League World Series were determined between August 18 and August 28, 2011 in South Williamsport, Pennsylvania. 16 teams were divided into two groups, one with eight teams from the United States and another with eight international teams, with both groups playing a modified double-elimination tournament. In each group, the last remaining undefeated team faced the last remaining team with one loss, with the winners of those games advancing to play for the Little League World Series championship. All times shown are US EDT.
The results of the 2012 Little League World Series were determined between August 16 and August 26, 2012 in South Williamsport, Pennsylvania. 16 teams were divided into two groups, one with eight teams from the United States and another with eight international teams, with both groups playing a modified double-elimination tournament. In each group, the last remaining undefeated team faced the last remaining team with one loss, with the winners of those games advancing to play for the Little League World Series championship. All times shown are US EDT.
The results of the 2013 Little League World Series were determined between August 15 and August 25, 2013, in South Williamsport, Pennsylvania. 16 teams were divided into two groups, one with eight teams from the United States and another with eight international teams, with both groups playing a modified double-elimination tournament. In each group, the last remaining undefeated team faced the last remaining team with one loss, with the winners of those games advancing to play for the Little League World Series championship.
The results of the 2014 Little League World Series was determined between August 14 and August 24, 2014 in South Williamsport, Pennsylvania. 16 teams were divided into two groups, one with eight teams from the United States and another with eight international teams, with both groups playing a modified double-elimination tournament. In each group, the last remaining undefeated team faced the last remaining team with one loss, with the winners of those games advancing to play for the Little League World Series championship.
The results of the 2015 Little League World Series were determined between August 21 and August 30, 2015 in South Williamsport, Pennsylvania. The tournament was originally scheduled to begin on August 20, however inclement weather resulted in the postponement of all first day games. 16 teams were divided into two groups, one with eight teams from the United States and another with eight international teams, with both groups playing a modified double-elimination tournament. In each group, the last remaining undefeated team faced the last remaining team with one loss, with the winners of those games advancing to play for the Little League World Series championship.
The results of the 2016 Little League World Series was determined between August 18 and August 28, 2016 in South Williamsport, Pennsylvania. 16 teams were divided into two groups, one with eight teams from the United States and another with eight international teams, with both groups playing a modified double-elimination tournament. In each group, the last remaining undefeated team faced the last remaining team with one loss, with the winners of those games advancing to play for the Little League World Series championship.
The results of the 2017 Little League World Series were determined between August 17 and August 27, 2017 in South Williamsport, Pennsylvania. 16 teams were divided into two groups, one with eight teams from the United States and another with eight international teams, with both groups playing a modified double-elimination tournament. In each group, the last remaining undefeated team faced the last remaining team with one loss, with the winners of those games advancing to play for the Little League World Series championship.
The results of the 2018 Little League World Series were determined between August 16 and August 26, 2018 in South Williamsport, Pennsylvania. 16 teams were divided into two groups, one with eight teams from the United States and another with eight international teams, with both groups playing a modified double-elimination tournament. In each group, the last remaining undefeated team faced the last remaining team with one loss, with the winners of those games advancing to play for the Little League World Series championship.
The results of the 2019 Little League World Series were determined between August 15 and August 25, 2019 in South Williamsport, Pennsylvania. 16 teams were divided into two groups, one with eight teams from the United States and another with eight international teams, with both groups playing a modified double-elimination tournament. In each group, the last remaining undefeated team faced the last remaining team with one loss, with the winners of those games advancing to play for the Little League World Series championship.
The results of the 2021 Little League World Series were determined during August 19–29, 2021, in South Williamsport, Pennsylvania. A total of 16 teams from the United States were divided into two groups of eight teams, with both groups playing a modified double-elimination tournament. In each group, the last remaining undefeated team faced the last remaining team with one loss, with the winners of those games advancing to play for the Little League World Series championship. The two eight-team tournament brackets were named after Major League Baseball players and National Baseball Hall of Fame inductees Hank Aaron and Tom Seaver, who died in January 2021 and August 2020, respectively.
The results of the 2022 Little League World Series were determined between August 17 and August 28, 2022 in South Williamsport, Pennsylvania. Twenty teams were divided into two groups, one with ten teams from the United States and another with ten international teams, with both groups playing a modified double-elimination tournament. In each group, the last remaining undefeated team faced the last remaining team with one loss, with the winners of those games advancing to play for the Little League World Series championship. Hawaii, the United States champions, defeated Curaçao, the international champions, 13-3 to win the 2022 championship, their second title in four years.
The results of the 2023 Little League World Series were determined between August 16 and August 27, 2023, in South Williamsport, Pennsylvania. Twenty teams were divided into two groups, one with ten teams from the United States and another with ten international teams, with both groups playing a modified double-elimination tournament. In each group, the last remaining undefeated team faced the last remaining team with one loss, with the winners of those games advancing to play for the Little League World Series championship. California, the United States champions, defeated Curaçao, the international champions, 6–5 to win the 2023 championship.
NY 10◄ 
WA 2 
GA 11◄ 
IA 3 
MA 1 
TX 10◄ 
KY 0 (F/5)
CA 15◄ 
VEN 1 
CUR 2◄ 
SAU 2 
JPN 5◄ 
TWN 16◄ 
GER 0 (F/4)
CAN 1 (F/7)
MEX 2◄