He was named as one of Finland's assistant captains for the 1995 World Championships, where he finished second in scoring with 5 goals and 10 points in 8 games as Finland won their first ever gold medal at the World Championship.
In 1996, Koivu played in the first World Cup of Hockey before he captained Finland to a bronze medal at the 1998 Olympics in Nagano, Japan where tied for the team lead in points with 10 in six games. He earned another silver medal at the 1999 World Championships, again as Finland's team captain.
His next international competition would come at the 2003 World Championships after missing the 2002 Olympics while overcoming cancer. This was followed by a second place finish at the 2004 World Cup of Hockey, both again as team captain.
Koivu played in his third Olympics in 2006 in Torino, Italy, where he again tied for the team scoring lead with 11 points in 8 games while once again captain of Finland.
His final World Championships in 2008 saw him add another bronze to his collection before his final international appearance for Finland, this coming at the 2010 Olympics in Vancouver, Canada, where he captained Finland to a bronze medal.
In all, Koivu played in 20 games at the junior level in international competition, scoring 7 goals and 26 points. At the senior level, he played in 89 games, scoring 30 goals and 94 points. He played in one European U18 Championship, two World Juniors, seven World Championships, earning a bronze, two silver and a gold medal, one World Cup, with a second place finish, and four Olympics, winning three bronze and a silver. He was named Best Forward at the World Championships in 1995 and 1999, and led the 1998 and 2006 Olympics in scoring.
Today's featured Koivu jersey is a 1995 Finland National Team Saku Koivu jersey. This is the same style jersey used in the 1994 Olympic games and, while branded as a Reebok jersey, they were produced by Tackla using their mesh fabric and dye sublimation process. Visually, the only difference between the Olympic jerseys and the World Championship version is the addition of the Warsteiner sponsorship patches to each arm.