List of WTA number 1 ranked tennis players
The list of WTA number 1 ranked players shows the professional women's tennis players who have been or currently are ranked world No. 1 by the Women's Tennis Association, along with the dates of first reaching and losing that spot. Since the WTA began producing computerised rankings on 3 November 1975, 27 women have reached the highest singles ranking and 43 women the highest doubles ranking. The WTA rankings are a merit-based method for determining the rankings in women's tennis and the WTA releases ranking points weekly based on how players fared during the previous 52 weeks.
Singles
World No. 1 ranked players
The rankings are sourced by the WTA Media Guide and the WTA website.spent 377 weeks at the top of the WTA ranking, the most of any player.
;Key
| ↑ | Open-era record |
| No. 1 player as of 2020 |
;Note
Weeks at No. 1
Total
Consecutive
The source for this through the week of January 2, 2012, is the 2012 WTA Tour Official Guide, page 177.
Weeks at No. 1 by country
as of 2020; current No. 1 player in boldYear-end No. 1 players
Per player
Per year
Per year (continued)
Players who became No. 1 before winning their first Grand Slam title
Weeks at No. 1 by decade
1970s*
1980s
1990s
2000s
2010s
2020s
WTA Ranking is frozen from March 23, 2020 to August 2, 2020.- as of 2020
Doubles
World No. 1 ranked players
The source for the following table through the week of January 6, 2012, is the 2012 WTA Tour Official Guide, page 172.was world No. 1 in doubles for a record 237 weeks
;Key
| ↑ | Open-era record |
| No. 1 player as of 2020 |
;Note