Initially, rankings were based on the results from the World Netball Championships, and released after the conclusion of each event, every four years.
Teams appear on the rankings list once they have played eight international test matches.
Australia and New Zealand have dominated the world rankings in previous years and they are the only two netball nations to have ever held the number one world ranking since its introduction in 2009.
[4] A team's rating always increases following a victory and decreases after a loss.
In the calculation of a team's rating, the points earned for each game are weighted based on the time the match was played.