There is no defined age range, so basically anyone who can use a computer and type, could be a member of the list. It has not been unknown for people as young as 10 years to be on the list.
For this reason, it is important for members to consider carefully their use of language on the list, so as ensure it is suitable for all ages. If you do have to use language unsuitable, put a warning in the subject!
FAQ answers attributed to Raymond E. Feist are copyright by Raymond E. Feist.
It should also be born in mind that the answer given was only applicable on the date written, and to a specific question. You may find further, similar questions, in the FAQ.