Automatic qualification is extended the semi-finalists of the previous World Cup (of which host United States is one).
Four other bids were determined by placement in the 2016-17 World Rugby Women's Sevens Series, with the remainder decided in each of the six regions' respective tournaments.
The qualifying Tournament, which is also Rugby Americas North Women's Sevens, took place at the Campo Marte in Mexico City, 25–26 November 2017.
The 2017 Torneo Valentín Martínez served as the South American qualifier, with the winner heading to the World Cup.
[5] Twelve teams competed at the Rugby Europe Women's Sevens Grand Prix at 17–18 June 2017 in Malemort, France, then 8–9 July in Kazan, Russia.