Ranking system in individual aura tiers is different than the ranking system for the global leaderboard.
Global leaderboard shows everyone with the same aura as being in the same place (everyone with 0 aura is currently "1")
Gray aura tier where everyone still has 0 aura shows everyone in different places (1, 2, 3, 4, ... in order of earliest to latest account creation)
Ranking system in individual aura tiers is different than the ranking system for the global leaderboard.
Global leaderboard shows everyone with the same aura as being in the same place (everyone with 0 aura is currently "1")
Gray aura tier where everyone still has 0 aura shows everyone in different places (1, 2, 3, 4, ... in order of earliest to latest account creation)