Post-Truth Politics and Public Discourse
Summary
Post-truth politics denotes a socio-political environment in which objective facts exert less influence on public opinion than appeals to emotion and personal belief. This condition has been propelled by the proliferation of digital platforms, the erosion of traditional media gatekeepers and the ascendancy of identity-based narratives. In such an environment, political actors and interest groups cultivate tailored messages that resonate with specific constituencies, often leveraging misinformation or half-truths to sustain support. The fragmentation of audiences into like-minded enclaves further amplifies selective exposure, while declining trust in institutions feeds a cycle of scepticism towards expert knowledge. Globally, post-truth dynamics have altered electoral campaigns, public health messaging and environmental debates, challenging democratic accountability and policy-making. Efforts to counteract these trends encompass fact-checking initiatives, media-literacy programmes and algorithmic interventions, yet their effectiveness hinges on broader cultural commitments to epistemic standards and open deliberation.
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Post-Truth Politics and Public Discourse publication trend
The graph below shows the total number of articles in post-truth politics and public discourse across all publications each year (not limited to Nature Index journals).
Technical terms
Post-Truth: A socio-political condition in which emotional appeals and personal beliefs carry more weight than objective facts in public discourse.
Echo Chamber: An information environment where individuals encounter predominantly concordant viewpoints, reinforcing existing attitudes and reducing exposure to dissenting evidence.
Regime of Truth: The normative framework that defines which claims are recognised as legitimate knowledge within a particular cultural or media context.
Boundary Work: The practice of demarcating and defending distinctions between authorised and unauthorised forms of knowledge or expertise.
References
- The Insurrectionist Playbook: Jair Bolsonaro and the National Congress of Brazil. Social Media + Society (2023).
- Exploring a post-truth referendum: Australia's Voice to Parliament and the management of attention on social media. Media International Australia (2024).
- Post-Truth as a Mutation of Epistemology in Journalism. Media and Communication (2021).
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