As of 15/11/2016 there were 176 F-4's still in storage at AMARG, Davis-Monthan AFB.
They comprised-
F-4C - 2
F-4D - 8
F-4E - 65
F-4F - 15
F-4G - 10
F-4J - 1
F-4S - 4
QRF-4C - 4
RF-4B - 1
RF-4C - 66
The number may have dropped by a few more since then as they are being scrapped on an increasingly regular basis.
As to the remaining front line operators of the F-4, Turkey, Greece, Iran, Japan and South Korea are the only ones left...
-RP