From the horse’s mouth, viz. The General:
As of January 1, 2007 the number of Jesuits in the world was 19,216 (364 fewer than in 2005):
13,491 are priests, 3,049 scholastic students, 1,810 Brothers, and 866 novices.
During the year, 486 joined the Society, 472 died and 378 left.
The average age . . . is 57.34 (slightly higher than the previous year): 63.40 for priests, 29.89 for scholastics and 65.54 for Brothers.
You’re glad you asked, right?
Blithe Spirit 