Superdelegate count at the time of the first primary debates

[goobergunch]

Biden - 23
Booker - 18
Harris - 15
Sanders - 9
Klobuchar - 6
O'Rourke - 6
Warren - 6
Castro - 4
Inslee - 4
Bullock - 3
Buttigieg - 2
Delaney - 2
Gillibrand - 2
Swalwell - 2
Bennet - 1
Gabbard - 1
Hickenlooper - 1
Moulton - 1
Ryan - 1

~658 uncommitted

Under 2020 rules superdelegates may only vote on the 2nd ballot or later. The exact number of delegates needed to nominate on any ballot is TBA but is no less than 1885 on the 1st ballot and 2267 on subsequent ballots.