Sawa has competed in six FIFA Women's World Cups (Sweden 1995, USA 1999, USA 2003, China 2007, Germany 2011, and Canada 2015); she and Brazil's Formiga, who competed at the same Women's World Cups, are the only players of either sex to appear in six World Cup final tournaments. Sawa has also represented Japan in four Olympics: Atlanta 1996, Athens 2004, Beijing 2008 and London 2012. In all, she played 41 matches and scored 11 goals at those ten global tournaments. Sawa was a member of the Japanese teams that won the 2011 Women's World Cup, and were runners-up at the 2012 Summer Olympics and 2015 Women's World Cup.