Call of Duty: Black Ops/Ranks

In Multiplayer, the following is a list of the rank and XP in Call of Duty: Black Ops, the unlockables earned at each level, and the experience needed to advance to each level. There are 50 ranks, unlike Call of Duty: Modern Warfare 2, where there were 70 ranks.

Game Ranks
The graph below shows the XP required to get to each rank.