That's a fairly low level; so surely there are many players with this level. If you mean combat level, there are no specific statistics on combat level. Other levels can be found in the "hiscores", but only for players who are in the top 2 million in some skill AND level 30 or better. For most non-member skills, the level required to be in the top 2 million is more than level 30.
Mudskippers are level 30 and 31 on Runescape. The smaller ones are level 30 and the larger ones are level 31.
You need level 30 mining to mine Coal in Runescape.
Fishing salmon requires a Fishing Level of 30.
You need level 30 fishing to fish salmon.
Level 27 minotaurs in stronghold, or level 28 hobgoblins.
At around level 30 Ranged.
Level 30 for now. As soon as more than 2 million players have Dungeoneering level 30, a higher level will be required.
unless you want to die...NO!
Mos Le'harmless, and yes you need to be member.
As this sort of thing goes against one of Runescape's many rules, no.
go to the chaos temple and go in the wilderness when your about in level 30 wilderness you will get the song
level 138. there is no higher level on runescape (for players)