By our count, there are currently 125 uncommitted delegates (other counts differ slightly) who are free to support whichever candidate they choose at the convention: nine from American Samoa; nine from Guam; five from the Virgin Islands; 28 from North Dakota; 54 from Pennsylvania; three from Oklahoma; 10 from Louisiana; four from Wyoming; and three from Colorado. This number will likely rise as delegate spots that were pledged to former candidates become uncommitted. It may also change based on the outcome of conventions in Wyoming and Colorado or if additional candidates drop out of the race.

States that allocate delegates proportionally have different rules for how they do so. Some set minimum vote-percentage thresholds that must be met for a candidate to receive delegates. Also, in some states, a candidate who reaches a threshold, either statewide or in a congressional district, is awarded all of the jurisdiction’s delegates even if the allocation is otherwise done proportionally. For simplicity’s sake, this tool allows delegates to be assigned in one-delegate increments in places where they may be awarded proportionally.