
A constitution is often described as the "heartbeat" of a nation's legal and political system. It is the supreme framework that defines how a state is governed, how authority is exercised, and how the rights of citizens are protected. Without a constitution, governance would lack structure, accountability, and legitimacy. Across the world, constitutions take different forms. Broadly, they are classified into two categories: written and unwritten constitutions. While both serve the same essential purpose of regulating state power, they differ in how they are formed, how they operate, and how they evolve over time.
For a country like Bangladesh, which emerged from a struggle for independence and constitutional identity in 1971, understanding this distinction is not merely academic. It is central to appreciating how the state functions today and how constitutional governance continues to evolve in practice.
A written constitution is one in which the fundamental principles of the state are formally set out in a single authoritative document or a clearly structured set of documents. It defines the organisation of government, distributes powers among different institutions, and guarantees fundamental rights for citizens. In a written constitution, the rules of governance are explicitly codified. This makes them accessible, identifiable, and legally enforceable. Citizens, judges, lawyers, and policymakers can refer directly to constitutional text when interpreting rights or resolving disputes. Written constitutions are also generally regarded as the supreme law of the land. This means that any law or government action inconsistent with the constitution can be declared invalid by courts exercising judicial review. Countries such as the United States, India, France, and Bangladesh follow this model. Their constitutions are formally adopted documents that provide a clear legal foundation for governance.
Bangladesh is a classic example of a written constitutional system. The Constitution of the People's Republic of Bangladesh was adopted on 4 November 1972 and came into force on 16 December 1972, marking a defining moment in the nation's post-independence legal history. The Constitution was not merely a legal document; it was a statement of national identity and democratic aspiration following a devastating liberation war. It sought to establish a sovereign state grounded in democracy, nationalism, socialism, and secularism-principles that reflect the ideological foundation of the country. At its core, the Constitution of Bangladesh establishes a parliamentary system of government. It defines the roles of the executive, legislature, and judiciary while ensuring a separation of powers that aims to prevent the concentration of authority in any single institution.
One of the most important features of Bangladesh's written constitution is its commitment to fundamental rights. Part III of the Constitution guarantees civil and political rights such as equality before law, freedom of speech, freedom of religion, and protection of life and liberty. These rights are justiciable, meaning they can be enforced through the courts. The Constitution also establishes judicial review, allowing the High Court Division to strike down laws inconsistent with constitutional provisions. This reinforces the supremacy of the Constitution and ensures that government power remains subject to legal limits.
In contrast, an unwritten constitution is not contained within a single formal document. Instead, it is made up of various sources such as statutes, judicial decisions, customs, traditions, and constitutional conventions. The United Kingdom is the most well-known example of an unwritten constitutional system. Despite the term "unwritten," many constitutional rules in such systems are in fact written down in different legal instruments. The key distinction is that there is no single codified document that comprehensively sets out all constitutional rules.
Unwritten constitutions develop gradually over time. They evolve through historical practice and political necessity rather than through a single moment of constitutional drafting. This makes them highly flexible and adaptable to changing political and social circumstances. However, this flexibility comes at a cost. Because constitutional rules are spread across multiple sources, it can sometimes be difficult to determine what the law actually is in a constitutional sense. Much depends on political conventions and institutional traditions rather than strict legal codification.
The distinction between written and unwritten constitutions is not merely structural; it has practical consequences for governance. A written constitution provides clarity and legal certainty. Citizens can directly refer to constitutional provisions to understand their rights and the limits of government power. Courts can interpret and enforce these provisions with authority. An unwritten constitution, on the other hand, is more flexible and adaptable. Constitutional practices can evolve without the need for formal amendment procedures. This allows political systems to respond more quickly to changing circumstances.
Written constitutions are generally more rigid, requiring special procedures for amendment. In Bangladesh, for example, constitutional amendments require a two-thirds majority in Parliament under Article 142. This ensures stability but can sometimes make reform difficult.
Unwritten constitutions are comparatively easier to modify, as changes can occur through legislation or evolving conventions rather than formal constitutional amendment.
Unwritten constitutions are comparatively easier to modify, as changes can occur through legislation or evolving conventions rather than formal constitutional amendment.
The decision to adopt a written constitution in Bangladesh was deeply shaped by historical necessity. Following independence in 1971, the newly formed state faced the urgent task of establishing political stability, legal order, and national unity. A written constitution provided a clear framework for rebuilding the state. It ensured that power was not exercised arbitrarily and that governance was based on law rather than political discretion. It also helped establish international legitimacy for the new country.
The framers of the Constitution sought to create a document that reflected the sacrifices of the Liberation War while also laying the foundation for democratic governance. The result was a constitution that combined legal structure with ideological vision. By codifying fundamental rights, establishing parliamentary democracy, and defining institutional powers, the Constitution aimed to prevent authoritarianism and ensure accountability in governance.
Although Bangladesh has a written constitution, it also operates with constitutional conventions that guide political behavior. These conventions are not legally enforceable in the same way as constitutional provisions, but they play an important role in shaping how the Constitution is applied in practice. For example, the functioning of parliamentary government relies heavily on conventions related to ministerial responsibility, cabinet collective decision-making, and political accountability. These practices are essential for maintaining democratic governance even though they are not always explicitly detailed in constitutional text.
However, in Bangladesh, these conventions operate strictly within the boundaries of the written Constitution. Unlike in unwritten constitutional systems, conventions cannot override constitutional provisions. If there is a conflict, the Constitution prevails.
The written constitutional system in Bangladesh has several strengths. It provides legal certainty, ensures the protection of fundamental rights, and establishes a clear framework for governance. It also enables judicial review, allowing courts to check abuses of power. However, the system is not without challenges. Constitutional amendments in Bangladesh have sometimes been used for political purposes, raising concerns about constitutional stability. Additionally, the gap between constitutional ideals and political reality has occasionally led to debates about the effectiveness of constitutional enforcement.
Despite these challenges, the written Constitution remains a cornerstone of democratic governance In Bangladesh. It continues to serve as the primary source of legal authority and constitutional identity.
The distinction between written and unwritten constitutions reflects two different approaches to the same fundamental goal: organising state power and protecting citizens' rights. Written constitutions, such as that of Bangladesh, emphasise clarity, stability, and legal certainty through codification. Unwritten constitutions prioritise flexibility and evolutionary development through practice and convention.
For Bangladesh, the written Constitution is not only a legal document but also a symbol of national identity and democratic aspiration. It reflects the country's historical struggle for independence and its continuing commitment to constitutional governance.
Ultimately, whether written or unwritten, a constitution is effective not merely because of its form but because of the extent to which it is respected, applied, and upheld by political institutions and citizens alike. In this sense, the strength of Bangladesh's constitutional system depends not only on the text of the Constitution but also on the commitment of its people to the rule of law and democratic values.
The writer is an advocate, High Court