Summary

Immanuel Kant’s moral philosophy establishes ethics on the basis of rationality and autonomy. Central to his system is the categorical imperative, which demands that agents act only on maxims they can will as universal laws, thereby ensuring consistency and impartiality. Kant distinguishes between duties of perfect obligation, which are strictly binding, and imperfect duties, which allow for moral discretion. His emphasis on autonomy portrays moral agents as self-legislating beings whose freedom is realised through adherence to the moral law. Key applications range from the formula of humanity, which enjoins respect for persons as ends in themselves, to the doctrine of right, which extends moral principles into juridical and political spheres. Over the past decade, scholarship has explored Kantian ethics in diverse contexts, from global justice to artificial moral agency, reaffirming its enduring influence and adaptability to contemporary challenges.

Research from Nature Portfolio

No recent Nature Portfolio content available.

Kantian Ethics and Moral Philosophy publication trend

The graph below shows the total number of articles in kantian ethics and moral philosophy across all publications each year (not limited to Nature Index journals).

Technical terms

Categorical Imperative: Kant’s foundational moral principle requiring that one’s chosen maxim be capable of universal legislation without contradiction.

Autonomy: The capacity of a rational agent to give oneself the moral law and act in accordance with it.

Maxim: A subjective principle or rule that an individual adopts when choosing to act.

Regulative Idea: A pragmatic guideline of reason that directs inquiry and moral aspiration, without asserting empirical reality.

Volitional Self-Contradiction: A conflict that arises when one cannot simultaneously will a maxim as both a universal law and a personal action principle.

References

  1. Autonomous Reboot: Kant, the categorical imperative, and contemporary challenges for machine ethicists. AI & SOCIETY (2021).
  2. Interdependent Independence: Civil Self-Sufficiency and Productive Community in Kant’s Theory of Citizenship. Kantian Review (2022).
  3. Between Revolution and Reaction: The Political Significance of Kant’s Doctrine of the Idea. Archiv für Geschichte der Philosophie (2024).
  4. A Defense and Development of the Volitional Self-Contradiction Interpretation. Philosophia (2023).

About these summaries

This Nature Research Intelligence Topic summary is created with the cited references and a large language model. We take care to ground generated text with facts, and have systems in place to gain human feedback on the overall quality of the process in line with our AI principles. We strive to create accurate and useful summaries for people unfamiliar with the research topic and that supports this goal. These pages are a beta release and will be updated as we learn how best to help people gain value from a research topic summary.

Nature Strategy Reports
Turn complex research questions into confident strategic decisions 

When you're under pressure to set direction, justify investment, or understand your competitive position, you need more than raw data — you need trusted insights you can act on.

  • Benchmark your performance against global peers using robust, methodologically sound analysis.

  • Combine quantitative metrics with qualitative expert insight to uncover strengths, gaps and emerging opportunities.

  • Gain tailored, decision-ready recommendations aligned to your strategic priorities.

Talk to us to learn more about our data dashboards and bespoke strategy reports.

Nature Masterclasses
Grow research skills, confidence and careers with training built for every stage of the research lifecycle.

Developed with Nature Portfolio journal Editors and internationally renowned experts. Discover three ways to learn:

  • Self-paced, online courses in convenient bite-sized units, covering key skills across scientific writing, publishing, grant writing, data analysis, and more.

  • Expert trainer-led workshops with hands-on exercises and real-time feedback across core research skills, delivered via interactive group sessions.

  • Editor-led workshops combining core principles in writing and publishing, personalised 1:1 feedback from Nature Portfolio Editors and hands-on exercises.

Explore course catalogues and workshop agendas, enquire about the options or request institutional pricing.