List Of NBA Seasons
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National Basketball Association The National Basketball Association (NBA) is a professional basketball league in North America composed of 30 teams (29 in the United States and 1 in Canada). The NBA is one of the major professional sports leagues in the United States and Ca ...
(NBA) is the major professional
basketball Basketball is a team sport in which two teams, most commonly of five players each, opposing one another on a rectangular Basketball court, court, compete with the primary objective of #Shooting, shooting a basketball (ball), basketball (appro ...
league in North America. The league was founded in 1946 as the
Basketball Association of America The Basketball Association of America (BAA) was a professional basketball league in North America, founded in 1946. Following its third season, 1948–49, the BAA merged with the National Basketball League (United States), National Basketball Lea ...
(BAA). The league adopted its current name at the start of when it merged with the National Basketball League (NBL). The league currently consists of thirty teams, of which twenty-nine are located in the United States and one in Canada. Each team plays 82 games in the regular season. Eight teams from each of the league's two conferences qualify for the
playoffs The playoffs, play-offs, postseason or finals of a sports league are a competition played after the regular season by the top competitors to determine the league champion or a similar accolade. Depending on the league, the playoffs may be eithe ...
. The winners of the Conference finals advance to the
finals Final, Finals or The Final may refer to: *Final examination or finals, a test given at the end of a course of study or training *Final (competition), the last or championship round of a sporting competition, match, game, or other contest which d ...
to determine the NBA champions. The
Boston Celtics The Boston Celtics ( ) are an American professional basketball team based in Boston. The Celtics compete in the National Basketball Association (NBA) as a member of the Atlantic Division (NBA), Atlantic Division of the Eastern Conference (NBA), ...
have had or tied for the best regular season record a record 19 times. They won the Eastern Conference 11 times, while the
Los Angeles Lakers The Los Angeles Lakers are an American professional basketball team based in Los Angeles. The Lakers compete in the National Basketball Association (NBA) as a member of the Pacific Division (NBA), Pacific Division of the Western Conference (NBA ...
won the Western Conference 19 times. The Celtics have won 18 NBA championships, the most in NBA history. The Lakers also have a record 32
Finals Final, Finals or The Final may refer to: *Final examination or finals, a test given at the end of a course of study or training *Final (competition), the last or championship round of a sporting competition, match, game, or other contest which d ...
appearances. The Celtics and the Lakers had played each other in the Finals for a record 12 times. The Celtics won 9 of their matchups while the Lakers have only won 3. The best single regular season record was recorded by the
Golden State Warriors The Golden State Warriors are an American professional basketball team based in San Francisco. The Warriors compete in the National Basketball Association (NBA) as a member of the Pacific Division of the Western Conference. Founded in 1946 i ...
in the . In that season, the Warriors recorded 73 wins and 9 losses with a
winning percentage In sports, a winning percentage or Copeland score is the fraction of games or matches a team or individual has won. The statistic is commonly used in standings or rankings to compare teams or individuals. It is defined as wins divided by the to ...
of .890, surpassing the 72-win 1995–96 Chicago Bulls, though the Bulls went on to win the Eastern Conference and the NBA championship. The 1996 Bulls and the 2016 Warriors are the only teams to win at least 70 games in a single season. The Eastern champions have won 41 championships while the Western champions have won 37 championships. The defunct Central Division won one championship in
1950 Events January * January 1 – The International Police Association (IPA) – the largest police organization in the world – is formed. * January 5 – 1950 Sverdlovsk plane crash, Sverdlovsk plane crash: ''Aeroflot'' Lisunov Li-2 ...
. Of the 78 championships, 35 of them were won by the teams who had or tied for the best regular season record. In 10 other occurrences, the teams who had or tied for the best regular season record, lost the Finals. Six teams that had the best regular season record and won the championships in the same season, were named to the list of Top 10 Teams in NBA History announced at the league's 50th anniversary in 1996. The Celtics, the Bulls, the Lakers and the
Philadelphia 76ers The Philadelphia 76ers, also known colloquially as the Sixers, are an American professional basketball team based in the Philadelphia metropolitan area. The 76ers compete in the National Basketball Association (NBA) as a member of the Atlan ...
each had two teams selected, while the
Detroit Pistons The Detroit Pistons are an American professional basketball team based in Detroit. The Pistons compete in the National Basketball Association (NBA) as a member of the Central Division (NBA), Central Division of the Eastern Conference (NBA), East ...
and the
New York Knicks The New York Knickerbockers, shortened and more commonly referred to as the New York Knicks, are an American professional basketball team based in the Boroughs of New York City, New York City borough of Manhattan. The Knicks compete in the Na ...
each had one team selected.


List


Notes

* Each year is linked to an article about that particular BAA/NBA season. * Each year is linked to an article about the BAA/NBA playoffs in that year. * Each year is linked to an article about the BAA/NBA Finals in that year. * Number of teams that participated in that particular season, including any teams that folded during the season. * Number of regular season games played by each team. * All team additions and subtractions occurred before the start of the season unless stated otherwise. * Prior to
1971 * The year 1971 had three partial solar eclipses (Solar eclipse of February 25, 1971, February 25, Solar eclipse of July 22, 1971, July 22 and Solar eclipse of August 20, 1971, August 20) and two total lunar eclipses (February 1971 lunar eclip ...
, there were no Eastern and Western champions, because the BAA Semifinals/Division finals were meant to determine the BAA/NBA finalists, while division titles were always a regular season achievement. * The original Baltimore Bullets, who folded in , are not affiliated with the present-day
Washington Wizards The Washington Wizards are an American professional basketball team based in Washington, D.C. The Wizards compete in the National Basketball Association (NBA) as a member of the Southeast Division of the Eastern Conference. The team plays i ...
, who were known as the Baltimore/Capital/Washington Bullets from to . * The Anderson Packers, who folded in , are not affiliated with the present-day Washington Wizards, who were known as the Chicago Packers during the 1961–62 season. * Due to the NBA's realignment into three divisions, the division champion with the best regular season record qualified automatically for the NBA Finals while the other two division champions faced off in the NBA semifinals to determine the other finalist. Eastern Division champion Syracuse had the best regular season record among the division champions, causing Central Division (no relation to the current Central Division) champion
Minneapolis Lakers The Los Angeles Lakers franchise has a long and storied history, having played and won championships in both the National Basketball League (United States), National Basketball League (NBL) and the Basketball Association of America (BAA) prior to ...
to face Western Division champion Anderson Packers in the NBA semifinals. The Lakers defeated the Packers to go to the Finals. * There was no tiebreaker. Two teams with the best record received a first-round bye in the playoffs. * Despite having the same record as the
Washington Bullets The Washington Wizards are an American professional basketball team based in Washington, D.C. The Wizards compete in the National Basketball Association (NBA) as a member of the Southeast Division of the Eastern Conference. The team plays i ...
, the
Boston Celtics The Boston Celtics ( ) are an American professional basketball team based in Boston. The Celtics compete in the National Basketball Association (NBA) as a member of the Atlantic Division (NBA), Atlantic Division of the Eastern Conference (NBA), ...
clinched top seed by winning the tiebreaker. * Despite having the same record as the
Philadelphia 76ers The Philadelphia 76ers, also known colloquially as the Sixers, are an American professional basketball team based in the Philadelphia metropolitan area. The 76ers compete in the National Basketball Association (NBA) as a member of the Atlan ...
, the
Boston Celtics The Boston Celtics ( ) are an American professional basketball team based in Boston. The Celtics compete in the National Basketball Association (NBA) as a member of the Atlantic Division (NBA), Atlantic Division of the Eastern Conference (NBA), ...
clinched top seed by winning the tiebreaker. * Despite having the same record as the
Chicago Bulls The Chicago Bulls are an American professional basketball team based in Chicago. The Bulls compete in the National Basketball Association (NBA) as a member of the Central Division of the Eastern Conference. The team was founded on January 16 ...
, the
Utah Jazz The Utah Jazz are an American professional basketball team based in Salt Lake City. The Jazz compete in the National Basketball Association (NBA) as a member of the Northwest Division of the Western Conference. Since the 1991–92 season, the ...
clinched top seed by virtue of winning their regular season series 2–0. * Despite having the same record as the
Utah Jazz The Utah Jazz are an American professional basketball team based in Salt Lake City. The Jazz compete in the National Basketball Association (NBA) as a member of the Northwest Division of the Western Conference. Since the 1991–92 season, the ...
, the
San Antonio Spurs The San Antonio Spurs are an American professional basketball team based in San Antonio. The Spurs compete in the National Basketball Association (NBA) as a member of the Southwest Division (NBA), Southwest Division of the Western Conference (NBA ...
clinched top seed by virtue of winning their regular season series 2–1. * Despite having the same record as the
Dallas Mavericks The Dallas Mavericks (often referred to as the Mavs) are an American professional basketball team based in Dallas. The Mavericks compete in the National Basketball Association (NBA) as a member of the Southwest Division (NBA), Southwest Divisi ...
, the
San Antonio Spurs The San Antonio Spurs are an American professional basketball team based in San Antonio. The Spurs compete in the National Basketball Association (NBA) as a member of the Southwest Division (NBA), Southwest Division of the Western Conference (NBA ...
clinched top seed by virtue of having a better conference record (36–16 vs. Dallas's 34–18). The teams split their regular season series 2–2. * Despite having the same record as the
San Antonio Spurs The San Antonio Spurs are an American professional basketball team based in San Antonio. The Spurs compete in the National Basketball Association (NBA) as a member of the Southwest Division (NBA), Southwest Division of the Western Conference (NBA ...
, the
Chicago Bulls The Chicago Bulls are an American professional basketball team based in Chicago. The Bulls compete in the National Basketball Association (NBA) as a member of the Central Division of the Eastern Conference. The team was founded on January 16 ...
clinched top seed by virtue of their only regular season meeting between them, a 96–89 victory by the Bulls on February 29, 2012.


References

;General * * ;Specific


External links

{{NBA * NBA lists