From Playonline.com :

It's almost time for this year's FINAL FANTASY XI Vana'diel Census! We'll be taking a look behind the scenes at the numbers that made up your world in the past year.
For the 9th Vana'diel Census, we'll be trying something different: a preliminary survey to find out all about each adventurer's day-to-day life in Vana'diel.

That means we need your help! Even if you're a silent ninja, a shy scholar, or a bard with laryngitis, let your voice be heard! Together, we can make the 9th Vana'diel Census the best one yet!

Participate in the survey here.

The survey will be conducted from May 14, 2009 at 3:00 a.m. (PDT) to May 25, 2009 at the same hour.