Wiktionary
alt. 1 (context politics English) The most important group or groups supporting an ideology, political party, officeholder, or candidate, and whose continuing support is crucial for survival and success. 2 (context by extension English) A group or groups whose continuing support is crucial for the success of any organization or individual. n. 1 (context politics English) The most important group or groups supporting an ideology, political party, officeholder, or candidate, and whose continuing support is crucial for survival and success. 2 (context by extension English) A group or groups whose continuing support is crucial for the success of any organization or individual.
Usage examples of "core constituency".
That would appeal to their core constituency's litmus test by actually strengthening the power of the Monarch.
Larry and Andy Wachowski have crafted an entertainment that reflects the core constituency of our culture and, despite the neat sunglasses, it's not a pretty picture.