
Basketball is a popular sport with a global following, and while the basic rules are universal, variations do exist. The rules govern everything from officiating and equipment to procedures and gameplay. The rules were first published by James Naismith in 1892, and while the original rules did not specify the number of players, today, each team can have a maximum of five players on the court. The most recent rules were approved by the FIBA in 2014, and they encompass eight rules and 50 articles covering equipment, teams, players, coaches, violations, fouls, and officials.
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What You'll Learn

Rules vary across leagues and geographies
While the basic rules of basketball are uniform across the world, there are variations depending on the level of play and the region. Most leagues or governing bodies in North America, such as the National Basketball Association (NBA) and the NCAA, formulate their own rules. The NBA, for example, refers to the lead official as the "crew chief" and the others as "referees", whereas other leagues use the terms referee and umpire. The NBA also added a third official in 1988, and FIBA followed suit in 2006.
In addition, the Technical Commission of the International Basketball Federation (FIBA) determines the rules for international play, and most leagues outside North America follow the complete FIBA ruleset. FIBA rules, for instance, award two free throws for each non-shooting foul after the fourth foul in the same period, resulting in a bonus on the fifth team foul. The NBA, in contrast, gives a two-free-throw bonus on the fifth team foul or in the last two minutes of each quarter, whichever comes first. The WNBA, on the other hand, gives a two-free-throw bonus on the eighth foul of each half.
The ball used in basketball also varies across leagues and geographies. In men's leagues, such as the NBA, men's college basketball, and high school, a size 7 basketball is used, while women's leagues, such as the WNBA, women's college basketball, and high school, use a slightly smaller size 6 ball. In Europe, the basketballs used differ greatly depending on the league. Most FIBA-regulated leagues use the Molton GG7X and Molten GL7X for men and the Molten GG6X and GL6X for women. The Euroleague, however, has its own sponsored ball, the Spalding Euroleague TF1000 Legacy.
The rules of basketball have evolved since James Naismith published the original rules of the game in 1892. Over time, rules have been introduced or modified, such as the three-second rule, which prohibits offensive players from remaining near their opponents' basket for more than three seconds, and the double-dribbling violation, which occurs when a player starts dribbling again without another player touching the ball in between. The number of players on a team has also varied, with five players becoming the standard in 1900, and substitutions rules evolving over time.
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Fouls and violations
Basketball is a fast-paced sport with numerous rules designed to ensure the game is safe and fair. The rules continue to evolve as the game develops and players become more skilled. While many of the basic rules are uniform, variations exist depending on the level of play (e.g. professional vs college rules) and location (e.g. international vs USA professional rules).
There are several types of fouls and violations in basketball, including:
Personal Fouls
Personal fouls are typically called when there is physical contact between players that results in an unfair advantage. For example, a defensive player may not touch an offensive player in a way that causes them to lose the ball or miss a shot. This applies to all players on the court, regardless of their position.
Technical Fouls
Technical fouls are assessed for unsportsmanlike conduct or delaying the game. This can include coaches' box violations, having too many players on the court, or a player hanging on the basket ring or backboard.
Violations
Violations are infractions that do not involve physical contact or unsportsmanlike conduct. Examples include travelling, double dribbling, carrying the ball, and goaltending. Violations often result in a turnover or a change of possession.
Bonus and Double Bonus
The threshold for reaching the bonus and double bonus varies between leagues. In the NBA and WNBA, once a team reaches the first threshold, any non-shooting foul committed by that team will result in free throw opportunities for the opposing team. The double bonus awards two free-throw opportunities on non-shooting fouls. Offensive fouls do not result in free throws but instead result in a turnover.
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Scoring and winning
The objective of basketball is to score more points than your opponent. Points are scored by putting the ball inside the hoop or basket. The number of points scored depends on where the shot was taken from and whether the player was fouled.
A basket made from within the three-point line is worth two points. If the player is fouled in the act of shooting and makes the subsequent free throw, this becomes a three-point play. A basket made from beyond the three-point line is worth three points. Again, if the player is fouled and makes the free throw, this becomes a four-point play. Free throws are worth one point each.
The attacking team has 24 seconds from gaining possession of the ball to shoot at the basket. After a shot is taken, the clock is restarted for another 24 seconds. If the attacking team does not release the ball within 24 seconds, possession goes to the other team.
A team inbounding the basketball has 5 seconds to do so. If they fail to release the ball within this time, it will be counted as a turnover and possession will go to the other team. The offensive team must get the ball into their opponent's half within 10 seconds of gaining possession back in their own half.
A player is no longer allowed to dribble with the ball once they put two hands on it. At this point, they must either pass or shoot. A player who starts dribbling again after coming to a stop is called for a double-dribbling violation and loses possession of the ball.
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Game setup
There are 56 official rules in basketball, and setting up a game requires attention to several key components.
A basketball game is played between two teams, typically with five players from each team on the court at one time. The game is officiated by one or more referees, who enforce the rules and maintain order. Before the game begins, a coin toss is often used to decide which team gets initial possession of the ball, or the choice of which side of the court to defend.
The playing area, or court, is a rectangular space with a basket, or hoop, at each end. The court is marked with various lines and areas that dictate the flow of play and the strategies employed by the teams. The most basic markings include the mid-court line, which divides the court in half, and the 3-point line, which arcs around the basket and indicates the area from which a shot is worth three points instead of two. Other markings include the free-throw line, key, or lane, and various zones used for substitutions and timeouts.
Each team has a bench area where players not currently on the court sit during the game. This area is typically located along one side of the court, opposite the team's basket. The bench is an important strategic location, as it allows coaches to communicate with players, make substitutions, and coordinate tactics.
Prior to the game, each team must decide on a starting lineup, which consists of one center, two guards, and two forwards. These positions are flexible and often interchanged during play, depending on the strategy employed by the team. Players specialize in certain positions based on their skills and physical attributes, with centers typically being the tallest players, guards being quick and agile, and forwards possessing a blend of skills suitable for both offense and defense.
The basketball itself is an inflated ball, typically made from leather or synthetic materials, with a circumference of 29.5 inches (size 7) for men's leagues and 28.5 inches (size 6) for women's leagues. The ball must be properly inflated and in good condition to ensure fair play and consistent performance.
With the court, teams, players, and equipment ready, the game can commence with a jump ball at the center of the court, or with a checked ball being passed to a teammate by the player who won the initial coin toss. From this point on, the game follows the standard flow of basketball, with teams aiming to score points by putting the ball through their opponent's basket, following the various rules and regulations that govern the sport.
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History of the rules
Basketball was invented in December 1891 by Canadian-born James Naismith, a teacher at the International YMCA Training School in Springfield, Massachusetts. The first basketball game was played on December 21, 1891, with 18 young men comprising two teams of nine players each. The final score was 1-0, with William R. Chase scoring the only goal from 25 feet away, becoming the first person to score a goal in basketball history.
Naismith's original rules of basketball, published on January 15, 1892, were quite different from the ones played today. There was no dribbling, dunking, three-pointers, or shot clock, and goal-tending was legal. The ball could be thrown or batted in any direction with one or both hands but not with a fist. Players could not run with the ball and had to throw it from the spot where they caught it. The ball had to be held by the hands, not the arms or body. There was to be no shouldering, holding, pushing, striking, or tripping of opponents. The first infringement of this rule was to count as a foul, and the second would disqualify the player until the next goal was made or, if there was evident intent to injure, for the whole game. No substitutions were allowed. A foul was defined as striking the ball with a fist or violations of Rules 3, 4, and 5.
Over time, the rules of basketball have evolved, with many developments and variations introduced. For example, in 1900, five players per team became the standard, and substituted players were not allowed to re-enter the game. In 1921, players were allowed to re-enter a game once, and twice from 1934. In 1945, restrictions on substitutions were abolished, allowing for unlimited substitutions. The three-second rule was introduced in 1936, prohibiting offensive players from remaining near their opponents' basket for longer than three seconds. The shot clock was first introduced by the NBA in 1954 to increase the speed of play, requiring teams to attempt a shot within 24 seconds of gaining possession.
The most recent international rules of basketball were approved by FIBA on February 2, 2014, and came into effect on October 1 of that year. These rules encompass eight rules and 50 articles, covering equipment and facilities, teams, players, captains, coaches, playing regulations, violations, fouls and their penalties, special situations, and officials. While there may be slight variations in the rules depending on the level and location of play, the basic rules of basketball remain uniform worldwide.
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Frequently asked questions
There are eight official rules in basketball, encompassing 50 articles. These rules cover equipment and facilities, regulations regarding teams, players, captains and coaches, playing regulations, violations, fouls and their penalties, special situations, and the officials and table officials.
The official rules of basketball are determined by the Technical Commission of the International Basketball Federation (FIBA). Most leagues outside North America use the FIBA ruleset. Leagues in North America, such as the National Basketball Association (NBA) and the National Collegiate Athletic Association (NCAA), formulate their own rules.
The official rules of basketball were last updated on February 2, 2014, by FIBA and came into effect on October 1 of the same year.
The rules for men's and women's basketball are mostly the same. However, in women's basketball leagues such as the WNBA, a size 6 ball is used, which is slightly smaller than the size 7 ball used in men's leagues.











































