No one is playing, the servers haven't yet been turned back on.

Please refer to the following article:
http://lodestone.finalfantasyxiv.com...01a3e6091969af

"...we will be able to bring our servers back online and restore service to FINAL FANTASY XIV, FINAL FANTASY XI, and PlayOnline on Mar. 25 [Friday], 2011 4:00 (PDT)."