200 million experience

The maximum amount of experience that a player can earn in a skill is 200 million, an achievement that 0 players have reached as of March 8th, 2013. This amount of experience represents a massive amount of time and work (multiple years), and those players who reach this milestone are carefully investigated by Jagex to ensure that they have not achieved this through unfair means such as macroing or account sharing.

Despite this, many players are quickly overcoming the struggle for maximum experience. As RuneScape's popularity increases and more accounts advance further into the game, 200 million experience will become an increasingly reachable mark for many players which more players will aspire to and reach in more skills.