The decision, which comes after the IOC met in Rio de Janeiro, was made possible after the groundbreaking Olympic Agenda 2020.
Slated for April 27-29, 2017, the winner will receive an automatic bid to the NCAA tournament.
This marks the first time since 2010 that the U.S. has claimed the title.
The USA Softball JMNT finished fifth at the 2016 WBSC Junior Men's World Championship.