How do badminton world rankings actually work? The BWF World Ranking is a rolling 52-week points system: you earn points by how far you go at sanctioned tournaments, bigger events pay more, and only your best results count once you've played enough. This guide explains the points, the 'best 10' rule, why rankings decide tournament seeding and Olympic qualification, and the quirks that make a player's number jump or drop — checked against the BWF's own statutes.