What Is Sovereignty? Canada and the Politics of Shared Authority

This is the first piece in our Forum of Federations Series on National Unity and Canadian Federalism.

By Rupak Chattopadhyay

July 15, 2026

This October, Canada faces both an Alberta referendum that could catalyze an unprecedented independence vote in that province and a provincial election that could do the same in Québec for the third time in 50 years. As a result, the word “sovereignty” has again entered our national, daily political discourse.

As it happens, sovereignty is one of the most frequently invoked — and least examined — concepts in global politics.

It surfaces in constitutional disputes, trade negotiations, separatist movements, and geopolitical crises, often as though its meaning were self-evident. In reality, sovereignty has never been a fixed principle. It is a political construct that has evolved alongside the institutions it was meant to organize.

Canada offers an unusually revealing case study. Externally, it is an unambiguously sovereign state. Internally, however, authority is divided among federal and provincial governments, constrained by constitutional courts, and increasingly shared with Indigenous nations. The result is not a dilution of sovereignty but a different model of it: one in which authority is layered, negotiated, and dispersed rather than absolute.

This evolution reflects a broader transformation in global politics. Sovereignty is no longer best understood as exclusive state control. Increasingly, it functions as a framework for managing competing centres of legitimate authority.

Beyond Westphalia

Classical international law defines sovereignty as the supreme authority of a state over its territory and population, free from external interference. The concept is commonly traced — if somewhat mythically — to the Peace of Westphalia in 1648, which is often portrayed as the birth of the modern state system.

Traditionally, sovereignty rested on three pillars: exclusive authority within a state’s borders, recognition by other states, and territorial jurisdiction. Yet, that framework has become increasingly detached from political reality.

Modern states operate within dense networks of treaties, international organizations, trade agreements, and legal regimes that routinely constrain unilateral action. Membership in the United Nations, the World Trade Organization, or global human rights conventions limits state discretion in ways that earlier theories of sovereignty never anticipated. States remain sovereign, but they exercise that sovereignty within institutional frameworks they neither fully control nor can easily abandon.

The European Union illustrates this transformation most clearly. Member states have voluntarily pooled authority over trade, competition policy, and, for eurozone countries, monetary policy. Rather than extinguishing sovereignty, the EU demonstrates how it can be reconfigured through shared governance.

Canada’s Layered Federation

Canada embodies this shift in distinctive ways. Internationally, Canada’s sovereignty is uncontested. Constitutionally, however, power is fragmented across multiple levels of government. The Constitution Acts of 1867 and 1982 distribute authority between Ottawa and the provinces while embedding judicial oversight through the Charter of Rights and Freedoms. Indigenous governments, meanwhile, increasingly exercise constitutionally protected authority grounded not in federal delegation but in pre-existing rights and treaty relationships.

This produces a system better understood as layered sovereignty than centralized rule. Different governments possess legitimate authority over different policy domains, often simultaneously.

Compared with other federations, Canada occupies unusual terrain. The United States grants Washington stronger constitutional supremacy through expansive interpretations of the Commerce Clause and federal spending powers. Germany’s federalism is characterized by extensive institutional coordination between Berlin and the Länder, (in Germany and Austria, federal states, or Bundesländer). Australia has evolved toward fiscal centralization despite its formal federal structure.

Canada, by contrast, combines constitutional decentralization with continual political bargaining, making authority less hierarchical than negotiated.

Québec Changed the Debate

Modern Canadian thinking about sovereignty was transformed by Québec nationalism, particularly under René Lévesque.

In the 1980 referendum, Lévesque’s concept of sovereignty-association both re-packaged independence as a more incremental, less negative political proposition and challenged the conventional assumption that political independence required complete economic separation. Instead, it envisioned a sovereign Québec maintaining deep economic ties with Canada.

The proposal marked an important conceptual shift. It separated political authority from economic integration, framed independence as a negotiated constitutional process rather than a revolutionary rupture, and embedded questions of sovereignty within democratic referendum politics. It was rejected by a decisive 59.56% of voters.

In the 1995 Québec referendum, the ballot question referred to Québec becoming sovereign while offering Canada a new “partnership,” replacing the earlier concept of “sovereignty-association.” This shift in terminology, together with factors such as the failure of the Meech Lake and Charlottetown constitutional accords and the popularity of independence advocate and future premier Lucien Bouchard, may have contributed to the much closer outcome, in which 50.58% voted against sovereignty and 49.42% voted in favour.

Nearly three decades after that last Quebec referendum, the constitutional question has returned. The Parti Québécois has re-emerged as a leading force in Quebec politics and has pledged to hold another referendum on independence if it secures a governing mandate on October 5th. Yet the party’s electoral resurgence has not been matched by a comparable revival of public support for sovereignty itself. Recent polling consistently suggests that while the PQ remains competitive — or even leads in voting intentions — at this point it appears that a clear majority of Quebecers would likely vote against independence.

This disconnect reflects a broader transformation in Quebec politics. For many voters, support for the PQ increasingly expresses dissatisfaction with the status quo, concerns over language and identity, or a desire for greater provincial autonomy rather than an immediate commitment to secession. As in Alberta, constitutional politics has returned to the forefront, but sovereignty now functions as both a governing project and a bargaining instrument within Canadian federalism.

Canada’s approach continues to distinguish it from other multinational democracies. Spain’s constitutional order has sharply constrained Catalonia’s independence movement, whereas the United Kingdom’s uncodified constitution allowed Scotland’s 2014 referendum to proceed through political agreement.

Canada, by contrast, has treated secession as a question to be managed through democratic legitimacy and constitutional negotiation rather than to be suppressed outright. That model—reinforced by the Supreme Court’s 1998 Reference re Secession of Quebec and the subsequent Clarity Act — has become an influential point of reference for peaceful self-determination movements worldwide, even as the constitutional debate itself remains unresolved.

Courts, Constitutions, and Shared Authority

The patriation of the Constitution in 1982 fundamentally altered Canada’s understanding of sovereignty. Before the Charter, sovereignty largely meant parliamentary supremacy. After 1982, constitutional rights and judicial review became enduring constraints on legislative power. Courts assumed a central role in defining the limits of governmental authority, shifting sovereignty from unconstrained political power toward rule-bound constitutional governance.

Canada’s trajectory mirrors developments across much of the democratic world. Judicial review has long shaped constitutional politics in the United States. Germany’s Federal Constitutional Court remains among the most influential constitutional tribunals globally. Across Europe, postwar constitutionalism has entrenched rights as enduring limits on state power. In modern democracies, sovereignty increasingly operates through legal institutions rather than above them.

Alberta and the Return of Sovereignty Politics

Canada’s constitutional debate has entered a new phase. What began as disputes over provincial autonomy has evolved into a broader argument over sovereignty itself, culminating in Alberta’s October 19th referendum. Rather than asking Albertans whether to leave Canada, the ballot asks whether the provincial government should begin the constitutional process toward a future binding referendum on secession. The vote is therefore less a plebiscite on independence than a test of whether the question of Alberta’s place in Confederation should formally enter Canada’s constitutional agenda.

Premier Danielle Smith has consistently argued that she supports Alberta remaining within Canada while simultaneously insisting that Albertans should have the opportunity to determine their constitutional future. Her government has paired demands for greater provincial authority over natural resources, environmental regulation, and federal policymaking with a willingness to facilitate a democratic debate over separation. The result is an unusual political posture: advocating for a stronger federation while legitimizing the possibility of withdrawal from it. (In terms of political precedent, it is reminiscent of UK Prime Minister David Cameron’s position in both catalyzing the 2016 Brexit referendum and campaigning to remain in the EU).

Comparable tensions exist elsewhere. In the United States, disputes over states’ rights continue to shape conflicts over environmental regulation, healthcare, and education. Australian states periodically challenge federal authority, although their fiscal dependence limits their leverage. Neither federation, however, currently confronts a government-sponsored constitutional process that could lead to a vote on secession.

Canada’s unusually decentralized federation — and its extensive provincial control over natural resources — gives Alberta greater constitutional leverage than many subnational governments elsewhere. The coming referendum therefore represents more than a provincial dispute. It will test whether Canada’s longstanding tradition of negotiating constitutional conflict can continue to accommodate increasingly explicit claims to provincial sovereignty without undermining the federation itself.

Indigenous Sovereignty and Constitutional Pluralism

Indigenous authority rests on a fundamentally different legal foundation. It derives from pre-existing political orders, treaties, and inherent rights rather than delegation by the Canadian state. Section 35 of the Constitution Act, 1982, together with landmark decisions such as Tsilhqot’in Nation v. British Columbia, has reinforced this principle.

Self-government agreements, land claims, co-management regimes, and the recognition of Aboriginal title increasingly reflect a constitutional order in which multiple legal traditions coexist.

International comparisons underscore Canada’s distinctive trajectory. Indigenous governments in the United States remain subject to broad congressional authority, while New Zealand’s Treaty of Waitangi provides a more formalized partnership framework in some policy areas. Canada occupies a middle ground, gradually constructing a form of constitutional pluralism that seeks to reconcile state sovereignty with Indigenous legal systems that long predate Confederation.

Sovereignty as a Political Settlement

Canada demonstrates that sovereignty is no longer synonymous with centralized state authority. Externally, the country speaks with one sovereign voice. Internally, however, authority is fragmented across federal, provincial, judicial, and Indigenous institutions. Rather than representing constitutional weakness, this dispersion reflects the realities of governance in complex democracies.

Compared with the United States’ dual federalism, the European Union’s pooled sovereignty, the United Kingdom’s asymmetrical devolution, or Spain’s constitutional rigidity, Canada occupies a distinctive middle ground: a flexible federation whose authority depends less on hierarchy than on continual negotiation.

The broader lesson extends well beyond Canada.

Sovereignty is not disappearing under globalization, constitutionalism, or Indigenous resurgence. It is being redefined. The central question in 21st-century politics is no longer who possesses sovereignty, but how legitimate authority is distributed among institutions that increasingly share it.

In that sense, sovereignty is not a settled doctrine. It is an ongoing political bargain — one that Canada continues to renegotiate in real time.

Rupak Chattopadhyay is President and CEO of the Forum of Federations in Ottawa.