This page was last updated May, 2016. Primary rules are frequently changing, as many are subject to regularly updated and changed party rules. For more information on any given state's primary or caucus rules, see the table at the bottom of this page. Categorizations are from the perspective of the voter - if they can participate in their state's primary on election day, or are constrained by prior party affiliation.

infogram_0_dual_map_presidential_primary_typesDual-Map Presidential Primary Types//

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