Professor Kirk Hallahan suggests five types of publics.
There are aware publics, active publics, inactive publics, aroused publics, and non-publics.
Non-publics lack any meaningful connection with the issue, but inactive publics are the most underrated type of public as they still can become aware, active, or aroused.
Here we go:
Five Types of Publics
There are plenty of inactive publics around us in society, just “waiting” for external situations to activate them and bring them together in coöperative, communicative behaviours.
However, PR tends to focus on the already activated publics:
“By focusing on activism and its consequences, recent public relations theory has largely ignored inactive publics, that is, stakeholder groups that demonstrate low levels of knowledge and involvement in the organisation or its products, services, candidates, or causes, but are important to an organisation.”
Source: Public Relations Review 1Hallahan, K. (2000). Inactive publics: The forgotten publics in public relations. Public Relations Review, 26(4), 499 – 515. https://doi.org/10.1016/S0363-8111(00)00061 – 8
Kirk Hallahan, Professor Emeritus, Journalism and Media Communication, Colorado State University, proposes five types of publics based on their knowledge and involvement: 2Hallahan, K. (2000). Inactive publics: The forgotten publics in public relations. Public Relations Review, 26(4), 499 – 515. https://doi.org/10.1016/S0363-8111(00)00061 – 8
Hallahan suggests a model based on knowledge and involvement:
As an organisation targeted by activists, what would be the best issue response? Hallahan proposes four principal response strategies: 3Hallahan, K. (2009, November 19). The Dynamics of Issues Activation and Response: An Issues Processes Model. Journal of Public Relations Research. … Continue reading
Learn more: Five Types of Publics
The Publics in Public Relations
Publics are a central component of public relations — in fact, the ‘P’ in PR. However, they are often misunderstood or conflated with marketing’s ‘target groups’.
Here’s how to define publics in public relations:
Publics = psychographic segments (who) with similar communication behaviours (how) formed around specific issues (why) impacting a brand (to whom). 4Silfwer, J. (2015, June 11). The Publics in Public Relations. Doctor Spin | The PR Blog. https://doctorspin.net/publics-in-public-relations/
Please note:
Psychographic segment = similarities in cognitive driving factors such as reasoning, motivations, attitudes, etc.
Communication behaviours = how the public’s opinion is expressed (choice of message, rhetorical framing, and medium type).
Specific issue = determined situationally by a specific social object, often high on the agenda in news media or social media.
Learn more: The Publics in Public Relations
Seriality: Context Matters
“Seriality” is a concept that emerges from identity and social theory, particularly in the works of philosophers like Jean-Paul Sartre and Iris Marion Young. It refers to how individuals are grouped based on shared characteristics without a strong sense of belonging or identity.

Sartre argued that passive collectives, like people waiting at a bus stop, only become active when they recognise shared interests or struggle. Many publics remain “serial” (inactive) until activated by context. 5Sartre, J.-P. (1991). Critique of dialectical reason (Vol. 2, Q. Hoare, Trans.; A. Sheridan-Smith, Ed.). Verso. (Original work published 1985.) 6Silfwer, J. (2023, October 9). Five Types of Publics. Doctor Spin | The PR Blog. https://doctorspin.net/five-types-of-publics/
“Seriality is a key concept in understanding the constancy and transformation of identity, particularly in public presentations of the self and its online manifestations.”
Source: M/C Journal 7Marshall, P. (2014). Seriality and Persona. M/C Journal, 17, 1 – 10. https://doi.org/10.5204/mcj.802
In Sartre’s existentialist framework, seriality describes a form of social collectivity. According to him, people can be part of a series without necessarily sharing a unified group identity. For example, people waiting at a bus stop are connected by their shared situation (waiting for the bus) but do not necessarily form a cohesive public with a shared identity. They are separate individuals linked by a common objective or condition.
Key insights:
Seriality explains why some publics remain inactive and fragmented while others suddenly unite and how context (media, conflict, proximity, power structures) determines when, how, and why a group identity “clicks” into place.
Therefore, seriality is a way of understanding how individuals can belong to collective categories without necessarily having a shared demographic identity.
Learn more: Seriality (Context Matters)
John Dewey and the ‘P’ in Public Relations
The term “publics” can be traced back to the work of the American psychologist and philosopher John Dewey (1859 – 1952). 10John Dewey. (2023, March 25). In Wikipedia. https://en.wikipedia.org/wiki/John_Dewey
In his 1927 book, “The Public and Its Problems,” Dewey conceptualised publics as situational groups formed in response to shared concerns or issues. He posited that these groups emerge when individuals confront a common problem, recognise its existence, and take collective action to address it. 11Dewey, J. (1927). The Public and Its Problems. Athens, Ohio: Swallow Press.
“Dewey’s theory of the public sphere recognizes multiple publics and permeable borders between public and private, with communication playing a crucial role in public formation and re-formation.”
Source: Argumentation and Advocacy 12Asen, R. (2003). The Multiple Mr. Dewey: Multiple Publics and Permeable Borders in John Dewey’s Theory of the Public Sphere. Argumentation and Advocacy, 39, 174 — 188. … Continue reading
Dewey’s formulation of publics marked a significant departure from the traditional understanding of the “mass public,” which assumed a more homogeneous and passive audience.
By highlighting the situational and dynamic nature of publics, Dewey laid the foundation for a more nuanced and adaptive approach to understanding the complex interactions between organisations and their various audiences.
The term publics has become a cornerstone of modern public relations and communication theory.
This understanding of publics as situational and ever-changing highlighted the need for organisations to remain agile and adaptive in their communication efforts.
By recognising the diverse and situational nature of publics, PR professionals and communicators can better understand the needs and concerns of their various audiences, allowing them to develop more effective communication strategies.
“This recognition of the active and dynamic nature of publics has also influenced broader academic and public discourse, highlighting the importance of understanding and engaging with different groups of people who share common interests, concerns, or problems.”
Source: Contemporary Pragmatism 13Rogers, M. (2010). Introduction: Revisiting The Public and Its Problems. Contemporary Pragmatism, 7, 1 – 7. https://doi.org/10.1163/18758185 – 90000152
Learn more: John Dewey and the ‘P’ in Public Relations
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Annotations
| 1, 2 | Hallahan, K. (2000). Inactive publics: The forgotten publics in public relations. Public Relations Review, 26(4), 499 – 515. https://doi.org/10.1016/S0363-8111(00)00061 – 8 |
|---|---|
| 3 | Hallahan, K. (2009, November 19). The Dynamics of Issues Activation and Response: An Issues Processes Model. Journal of Public Relations Research. https://www.tandfonline.com/doi/abs/10.1207/S1532754XJPRR1301_3 |
| 4 | Silfwer, J. (2015, June 11). The Publics in Public Relations. Doctor Spin | The PR Blog. https://doctorspin.net/publics-in-public-relations/ |
| 5 | Sartre, J.-P. (1991). Critique of dialectical reason (Vol. 2, Q. Hoare, Trans.; A. Sheridan-Smith, Ed.). Verso. (Original work published 1985.) |
| 6, 9 | Silfwer, J. (2023, October 9). Five Types of Publics. Doctor Spin | The PR Blog. https://doctorspin.net/five-types-of-publics/ |
| 7 | Marshall, P. (2014). Seriality and Persona. M/C Journal, 17, 1 – 10. https://doi.org/10.5204/mcj.802 |
| 8 | Anderson, B. (2006). Imagined communities: Reflections on the origin and spread of nationalism (Revised ed.). Verso. (Original work published 1983) |
| 10 | John Dewey. (2023, March 25). In Wikipedia. https://en.wikipedia.org/wiki/John_Dewey |
| 11 | Dewey, J. (1927). The Public and Its Problems. Athens, Ohio: Swallow Press. |
| 12 | Asen, R. (2003). The Multiple Mr. Dewey: Multiple Publics and Permeable Borders in John Dewey’s Theory of the Public Sphere. Argumentation and Advocacy, 39, 174 — 188. https://doi.org/10.1080/00028533.2003.11821585 |
| 13 | Rogers, M. (2010). Introduction: Revisiting The Public and Its Problems. Contemporary Pragmatism, 7, 1 – 7. https://doi.org/10.1163/18758185 – 90000152 |
