FIFA World Rankings – Wikipedia

The FIFA World Ranking is a ranking system for men’s national teams in association football, currently led by Belgium. The teams of the member nations of FIFA, football’s world governing body, are ranked based on their game results with the most successful teams being ranked highest. The rankings were introduced in December 1992, and eight teams have held the top position, of which Brazil have spent the longest ranked first. A points system is used, with points being awarded based on the results

: https://en.wikipedia.org/wiki/FIFA_World_Rankings