Official Women's Squash World Ranking
| Years ended No. 1 | ||
| 1. | Nicol David | 9 |
| Susan Devoy | 9 | |
| 3. | Michelle Martin | 5 |
| 4. | Sarah Fitz-Gerald | 4 |
| 5. | Vanessa Atkinson | 1 |
| Vicki Cardwell | 1 | |
| Nour El Sherbini | 1 | |
| Raneem El Weleily | 1 | |
| Rachael Grinham | 1 | |
| Carol Owens | 1 | |
| Leilani Rorani | 1 |
The Official Women's Squash World Ranking is the official world ranking for women's squash. The ranking is to rate the performance level of female professional squash player. It is also a merit-based method used for determining entry and seeding in women's squash tournaments. The rankings are produced monthly. The current world number one is Nour El Sherbini of Egypt, who replaced Laura Massaro in May 2016.
Players competing in PSA tournaments earn ranking points according to how far they get in the draw. The points available depend on the prize money and the draw size. The monthly rankings (issued on the 1st of the month) are used in selecting entries to tournaments and in determining the seeds.
The total number of points a player earns in a year (52 weeks) is divided by the number of tournaments played (a minimum of eight are required) to give a ranking average. Where a player has played more than 8 tournaments the best scores may be selected (i.e., the lowest are not included).
For example, a player who has competed in 13 events will have selected her best 10 scores, which will be accumulated and divided by 10.
Players competing in PSA World Tour Events earn ranking points according to the prize money, classification of the event, and the final position in the draw the player reaches.
The total number of points a player accumulates in any year (52-week period) is divided by the number of tournaments played (minimum 8 tournaments in 52 weeks) to give an average score:
†Change since previous month's rankings
Note: The monthly ranking for the women's squash (world ranking) is taken directly from the Professional Squash Association (PSA) official website.
The following is a list of players who have achieved the world number one position since April 1983 (active players in green):
Last update: April, 2017
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Note:
1) Natalie Grinham changed her nationality in 2008.
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