List of world number one snooker players
Periods
The snooker players ranked number one in the world are listed below for each period since rankings officially began in 1976/77.

List of world number one snooker players

Section Title: Periods
Table Section Text: The snooker players ranked number one in the world are listed below for each period since rankings officially began in 1976/77.

No.	Nationality	Player	From	To

1	Wales	Ray Reardon	3 May 1975	20 April 1981

2	Canada	Cliff Thorburn	21 April 1981	16 May 1982

Wales	Ray Reardon (2)	17 May 1982	2 May 1983

3	England	Steve Davis	3 May 1983	29 April 1990

4	Scotland	Stephen Hendry	30 April 1990	4 May 1998

5	Scotland	John Higgins	5 May 1998	1 May 2000

6	Wales	Mark Williams	2 May 2000	6 May 2002

7	England	Ronnie O'Sullivan	7 May 2002	5 May 2003

Wales	Mark Williams (2)	6 May 2003	3 May 2004

England	Ronnie O'Sullivan (2)	4 May 2004	1 May 2006

Scotland	Stephen Hendry (2)	2 May 2006	7 May 2007

Scotland	John Higgins (2)	8 May 2007	5 May 2008

England	Ronnie O'Sullivan (3)	6 May 2008	3 May 2010

Scotland	John Higgins (3)	4 May 2010	26 September 2010

8	Australia	Neil Robertson	27 September 2010	12 December 2010

Scotland	John Higgins (4)	13 December 2010	2 May 2011

Wales	Mark Williams (3)	3 May 2011	11 September 2011

9	England	Mark Selby	12 September 2011	4 November 2012

10	England	Judd Trump	5 November 2012	9 December 2012

England	Mark Selby (2)	10 December 2012	17 February 2013

England	Judd Trump (2)	18 February 2013	31 March 2013

England	Mark Selby (3)	1 April 2013	9 June 2013

Australia	Neil Robertson (2)	10 June 2013	5 May 2014

England	Mark Selby (4)	6 May 2014	6 July 2014

Australia	Neil Robertson (3)	7 July 2014	10 August 2014

England	Mark Selby (5)	11 August 2014	7 December 2014

11	China	Ding Junhui	8 December 2014	14 December 2014

Australia	Neil Robertson (4)	15 December 2014	24 January 2015

China	Ding Junhui (2)	25 January 2015	8 February 2015

England	Mark Selby (6)	9 February 2015	24 March 2019

England	Ronnie O'Sullivan (4)	25 March 2019	Present

Sentence(s)

In March 2019, O'Sullivan returned to the world number one ranking.

final_sentence: In March 2019, O'Sullivan returned to the world number one ranking.