THE WORLD AMATEUR NUMBER ONE

The top spot in the World Amateur Golf Ranking has changed hands 31 times since Scotland's Richie Ramsay first took the position on January 23, 2007, with a total of 19 players holding the coveted position of being officially the world's number one amateur golfer.

Patrick Cantlay holds the record for the most consecutive weeks at number one (54, from June 8, 2011 to June 13, 2012), as well as the most total weeks in the position at 55. The 21 holders, and the total number of weeks at number 1, are as follows, as at May 26, 2013:

For the full chronological history of the holders of the world number one spot, click here.

American Peter Uihlein has held the top spot on five occasions, his longest single tenure being 19 weeks.

There have been seven one week stays at Number One, including several times World Professional No. 1 Rory McIlroy, the second holder of the top amateur spot.

Of the 21 Number Ones, ten have been American, two were English, and one each from Scotland, Northern Ireland, Australia, Canada, Italy, France, Korea, New Zealand and Japan.

Only one player has so far held the position for at least a year - Patrick Cantlay with a 54 week stint in hius second tenure.