In 2018, Bird competed for Team USA during the 2018 FIBA Women's Basketball World Cup held in Spain, in which they defeated Australia 73–56 to win the gold medal. By winning the gold medal, Bird became the only player in history, male or female, to win four World Cup gold medals. Bird finished the final with five assists to bring her career total to 107 assists in FIBA World Cup – making her the leader for the U.S. most assists at the World Cup.