I would imagine that it depends on the area of the U.S. or other country you are in but here my area of the U.S. the young ones are leaving in droves...not getting baptized, getting df or just simply moving to a cheaper area and disappearing off the JW radar.
The other english congregation that meets with us in the same hall is suffering severely, their TMS and Service meeting looks like a bookstudy. From what old timers in my cong say before the 2 split about 20 yrs ago the attendance used to be over 150 every single meeting and some sundays almost 200. Watchtower's waters are drying up particularly in the english speaking field here in the U.S.