The International Federation of Women's Lacrosse Associations (IFWLA) held its first U-19 World Championship in 1995. Australia defeated the United States in Haverford, Pennsylvania. In 1999, the United States returned the favor by defeating the Aussies on their home turf in Perth. The United States repeated as U-19 World Champions in 2003, winning the championship on its home turf in Baltimore, Maryland by defeating Australia 21-8 in the final. The U.S. made it three-in-a-row by claiming the 2007 Championship in Ontario, Canada, defeating Australia once again in the final.

IFWLA U-19 World Championship History
Year	Champion	Runner-up	Championship Game Score	Site
1995	Australia	U.S.	5-4	Haverford, Pa. (U.S.)
1999	U.S.	Australia	15-8	Perth, Australia
2003	U.S.	Australia	21-8	Baltimore, Md. (U.S.)
2007	U.S.	Australia	18-3	Peterborough, Ontario, Canada