Leaderboards have been added to Guild Wars 2 in a recent update:
We want our leaderboards to be more than just a place to stare in awe at the top players in the game—we want to give you a place to see the pulse of the game as a whole and better understand your part in it. To start down this path, we’re launching leaderboards to cover three main categories of play in the game: Player vs. Player (PvP), World vs. World (WvW), and Achievements. We’re starting with the top 100 users in PvP and Achievements, but over the next few weeks we’ll ramp this number up and add some different ways to slice the data to help you get the most relevant information possible.
There’s not really much to see at the moment, for example I couldn’t find out where I rank on each leaderboard (very near the bottom, most likely), but that might be down to the requirement to “take part in 10 matches before you can appear on the leaderboard”.