Fifteen-time LPGA Tour winner Jin Young Ko has tied the record for most weeks spent at No. 1 in the Rolex Women’s World Golf Rankings.

This week marks the Republic of Korea native’s 158th week spent at the top of the rankings, tying the record set by Lorena Ochoa from 2007 to 2010.

If she were to remain at the top through the KPMG Women’s PGA Championship that will be contested this week at Baltusrol Golf Club, Ko will set the new record for most weeks spent at Rolex Rankings No. 1.

Ko is a two-time major champion and has captured two victories already this season, successfully defending her title at the HSBC Women’s World Championship and winning her third Cognizant Founders Cup in four years last month at Upper Montclair Country Club.

History of the Rolex Women's World Golf Rankings Number One Position

#	Player	Age (Y/M/D)	From:	To:	No. of Weeks
40	Jin Young Ko (5)	27/10/15	May 22, 2023	Present	4
39	Nelly Korda (4)	24/8/27	April 24, 2023	May 21, 2023	4
38	Lydia Ko (3)	25/7/4	November 28, 2022	April 23, 2023	21
37	Nelly Korda (3)	24/3/17	November 14, 2022	November 27, 2022	2
36	Atthaya Thitikul	19/8/11	October 31, 2022	November 13, 2022	2
35	Jin Young Ko (4)	26/6/24	January 31, 2022	October 30, 2022	39
34	Nelly Korda (2)	23/3/11	November 8, 2021	January 30, 2022	12
33	Jin Young Ko (3)	26/3/18	October 25, 2021	November 7, 2021	2
32	Nelly Korda (1)	22/11/0	June 28, 2021	October 24, 2021	17
31	Jin Young Ko (2)	24/0/22	July 29, 2019	June 27, 2021	100
30	Sung Hyun Park (4)	25/9/10	July 1, 2019	July 28, 2019	4
29	Jin Young Ko (1)	23/9/1	April 8, 2019	June 30, 2019	12
28	Sung Hyun Park (3)	25/5/13	March 4, 2019	April 7, 2019	5
27	Ariya Jutanugarn (3)	22/11/6	October 29, 2018	March 3, 2019	18
26	Sung Hyun Park (2)	24/10/29	August 20, 2018	October 28, 2018	10
25	Ariya Jutanugarn (2)	22/8/7	July 30, 2018	August 19, 2018	3
24	Inbee Park (4)	29/9/11	April 23, 2018	July 29, 2018	14
23	Shanshan Feng	28/3/8	November 13, 2017	April 22, 2018	23
22	Sung Hyun Park (1)	24/1/16	November 6, 2017	November 12, 2017	1
21	So Yeon Ryu	26/11/28	June 26, 2017	November 5, 2017	19
20	Ariya Jutanugarn (1)	21/6/20	June 12, 2017	June 25, 2017	2
19	Lydia Ko (2)	18/6/2	October 26, 2015	June 11, 2017	85
18	Inbee Park (3)	26/11/3	June 15, 2015	October 25, 2015	19
17	Lydia Ko (1)	17/9/9	February 2, 2015	June 14, 2015	19
16	Inbee Park (2)	26/3/15	October 27, 2014	February 1, 2015	14
15	Stacy Lewis (2)	29/3/17	June 2, 2014	October 26, 2014	21
14	Inbee Park (1)	24/9/3	April 15, 2013	June 1, 2014	59
13	Stacy Lewis (1)	28/1/2	March 18, 2013	April 14, 2013	4
12	Yani Tseng	22/0/22	February 14, 2011	March 17, 2013	109
11	Jiyai Shin (3)	22/6/4	November 1, 2010	February 13, 2011	15
10	Cristie Kerr (3)	33/0/13	October 25, 2010	October 31, 2010	1
9	Ai Miyazato (3)	25/2/4	August 23, 2010	October 24, 2010	9
8	Cristie Kerr (2)	32/10/4	August 16, 2010	August 22, 2010	1
7	Jiyai Shin (2)	22/2/28	July 26, 2010	August 15, 2010	3
6	Ai Miyazato (2)	25/1/0	July 19, 2010	July 25, 2010	1
5	Cristie Kerr (1)	32/8/16	June 28, 2010	July 18, 2010	3
4	Ai Miyazato (1)	25/0/2	June 21, 2010	June 27, 2010	1
3	Jiyai Shin (1)	22/0/5	May 3, 2010	June 20, 2010	7
2	Lorena Ochoa	25/5/8	April 23, 2007	May 2, 2010	158
1	Annika Sorenstam	35/4/11	February 20, 2006	April 22, 2007	61

Career Weeks at Rolex Women's World Golf Rankings Number One Position

Player	Weeks
Jin Young Ko	158 weeks
Lorena Ochoa	158 weeks
Lydia Ko	125 weeks
Yani Tseng	109 weeks
Inbee Park	106 weeks
Annika Sorenstam	61 weeks
Nelly Korda	35 weeks
Stacy Lewis	25 weeks
Jiyai Shin	25 weeks
Shanshan Feng	23 weeks
Ariya Jutanugarn	23 weeks
Sung Hyun Park	20 weeks
So Yeon Ryu	19 weeks
Ai Miyazato	11 weeks
Cristie Kerr	5 weeks
Atthaya Thitikul	2 weeks

Jin Young Ko Ties Record for Most Weeks Spent at Rolex Rankings No. 1

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