Canon Celestial Exalts - The Breakdown as *I* see them.

Solars - 300
~140 free young Solars
-28 Dawn
-27 Zenith
-28 Twilight
-28 Night
-28 Eclpise

~10 surviving First Age Solars
-2 Dawn
-2 Zenith
-2 Twilight
-2 Night
-2 Eclpise

~100 Abyssals - If exaltations survive even Oblivion, do they go back to Creation, into the Wyld, or are they stuck there?
-20 Dusk
-21 Midnight
-20 Daybreak
-20 Day
-20 Moonshadow

~50 Infernals
-10 Slayers
--Dawn
-10 Malefectors
--
-10 Defliers
-10 Scrouges
-10 Fiends

Lunars - 300
~50 Unblooded and Chimerae
~125 unaligned Silver Pact
~Swords of Luna
-30 Lunars
~Sun King Seneschals
-16 Lunars
~Wardens of Gaia
-17 Lunars
~Crossroads Society
-22 Lunars
~Winding Path
-12 Lunars


Sidereals - 100
~5 ronin
18-20 in each of the 5 departments of the Bureau of Destiny
- ~60 Bronze Faction, ~30 Gold Faction, at least 3 Silver Faction