The World Handicap System (WHS) debuted in 2020, with the goal of allowing golfers to play on an equitable and fair basis around the globe. Currently, there are 6 handicap systems used across the globe, and course ratings are not done in several countries. The WHS requires that all courses be rated and handicap index calculated in a consistent manner across the globe. US golfers who have been using GHIN will not be significantly impacted, but there are several new concepts & terms for all golfers to learn!