The Legal Doctrine of Separation of Power in the Constitution
Abstract
The separation of powers is a foundational doctrine of constitutional governance, designed to prevent the concentration of authority and protect liberty. It typically divides state functions into three distinct branches: the legislative (which makes laws), the executive (which implements and enforces laws), and the judiciary (which interprets laws and administers justice). By allocating specific powers to separate institutions, the system creates a framework of checks and balances. Each branch is granted the ability to restrain potential excesses by the others, such as through executive vetoes, legislative oversight, or judicial review. This deliberate diffusion of power aims to foster accountability, limit arbitrary governance, and safeguard individual rights. While models vary globally from the strict separation in presidential systems like the USA to the more fused structures in parliamentary systems the core objective remains: to ensure that no single entity holds unchecked power, thereby sustaining a stable and democratic polity.
Fields of Study & Subjects
Judicial and Constitutional Studies
American Constitutional Law and Politics
Comparative constitutional jurisprudence studies
Publication details
- Journal / source
- International Journal of Law and Policy
- Volume
- 4
- Issue
- 1
- Pages
- 35–54
- Publication date
- 30 January 2026