---
title: "Statute of Westminster | History of Canada"
description: "Statute of Westminster: the 1931 law that gave Canada legislative independence from Britain and marked a major step toward sovereignty in History of Canada."
canonical: "https://fiveable.me/history-canada-after-1867/key-terms/statute-of-westminster"
type: "key-term"
subject: "History of Canada – 1867 to Present"
unit: "Unit 15"
---

# Statute of Westminster | History of Canada

## Definition

The Statute of Westminster was a 1931 law that gave Canada legal independence to make its own laws without British approval. In History of Canada, it marks a major step from Dominion Status toward sovereignty.

## What It Is

The Statute of Westminster was the 1931 British law that gave Canada full legislative independence. In this course, it is the turning point where Canada stops being treated like a colony that still needed Britain to approve many laws and starts acting more like a self-governing country.

Before 1931, Canada already had Dominion Status, which meant it ran its own domestic government in many areas. But the British Parliament still had power over some Canadian legal matters. The Statute changed that relationship by saying Britain would not make laws for Canada unless Canada asked for them. That was a big shift in how Canadians controlled their own political future.

This did not instantly make Canada completely separate in every sense. Canada stayed tied to Britain through the Commonwealth, and the country still had to work out the details of its constitutional independence over time. So when you see the Statute of Westminster in a history timeline, think of it as a legal milestone, not the end of every constitutional connection overnight.

The statute matters because it shows Canada gaining authority in stages. Confederation in 1867 created a new federal country, but the British North America Act still framed that relationship inside the British system. The Statute of Westminster moved Canada farther away from that older imperial structure and toward a more independent national identity.

It also changed how Canada acted internationally. During World War II, Canada could make independent declarations of war, which made its sovereignty much more visible on the world stage. That is one reason the statute shows up in lessons about Canada's evolving role in a changing global order, not just in constitutional history.

## Why It Matters

The Statute of Westminster is one of the clearest examples of how Canada became more independent without a single dramatic break. It helps you trace sovereignty as a process, not a one-day event. That is a recurring pattern in Canadian history after 1867, where political autonomy, constitutional change, and national identity all develop over time.

It also gives you a way to explain the difference between self-government and full legislative control. Canada had responsible government and Dominion Status before 1931, but the Statute shows the moment when that relationship with Britain changed at the legal level. If a question asks how Canada’s status evolved, this term is a strong piece of evidence.

In global history, the statute also helps explain why Canada could act more independently in foreign affairs during the 20th century. When the country made wartime decisions on its own, that reflected the new legal standing created in 1931. So the term connects domestic constitutional change to international action, which is exactly how this course often frames Canada’s place in the world.

## Connections

### Dominion Status

Dominion Status came before the Statute of Westminster and helps explain why 1931 mattered. Canada already had some self-government, but not full legislative independence from Britain. If you mix them up, remember that Dominion Status is the earlier stage, while the Statute marks a stronger legal break in how Canada made laws.

### British North America Act

The British North America Act created the constitutional framework for Confederation in 1867, and the Statute of Westminster later changed Canada’s place inside that framework. Together, they show the shift from a country born within the British imperial system to one that gradually gained more control over its own constitutional life.

### Canadian Constitution

The Statute of Westminster is part of the longer story behind the Canadian Constitution. It did not finish the process of constitutional independence, but it moved Canada much closer to it by reducing British control over Canadian law. That makes it a useful stepping stone when you study later constitutional development.

### [Lester B. Pearson](/history-canada-after-1867/key-terms/lester-b-pearson)

Pearson belongs to the later era when Canada’s independent status was expressed through diplomacy and peacekeeping rather than colonial ties. The Statute of Westminster set part of the legal foundation for that kind of foreign policy. It helps explain how Canada could later act as its own player in international affairs.

## On the AP Exam

A timeline question might ask you to place the Statute of Westminster after Confederation and before later constitutional changes, then explain what changed in 1931. In a short answer or essay, you could use it to show how Canada moved from Dominion Status toward full sovereignty. A source analysis might quote a document about British control, and you would identify the statute as the legal change that reduced that control. If the question connects domestic politics to foreign policy, you can bring in Canada’s independent wartime decisions as evidence.

## Statute of Westminster vs Dominion Status

These are often confused because both describe Canada’s relationship to Britain. Dominion Status was the earlier condition of partial self-government, while the Statute of Westminster was the 1931 law that gave Canada legislative independence. In simple terms, Dominion Status is the stage before, and the Statute is the legal step that pushed Canada much farther toward sovereignty.

## Key Takeaways

- The Statute of Westminster was a 1931 law that gave Canada the power to make its own laws without British approval.
- It marked a major step in Canada’s move from Dominion Status toward full sovereignty.
- The statute did not erase every link with Britain right away, since Canada remained in the Commonwealth.
- It helps explain why Canada could act more independently in foreign affairs, especially during World War II.
- In Canadian history, it is a legal milestone that shows independence happening in stages, not all at once.

## FAQs

### What is the Statute of Westminster in History of Canada?

The Statute of Westminster was a 1931 British law that gave Canada legislative independence. It meant the British Parliament could no longer make laws for Canada unless Canada agreed to them. In Canadian history, it is one of the biggest steps toward sovereignty after Confederation.

### Does the Statute of Westminster mean Canada became fully independent in 1931?

Not completely, at least not in every constitutional sense. The statute gave Canada major legal independence, but some ties to Britain remained, especially through the Commonwealth and later constitutional arrangements. It is better to see it as a major step in independence, not the final endpoint.

### How is the Statute of Westminster different from Dominion Status?

Dominion Status meant Canada had a measure of self-government, but Britain still retained important legal authority. The Statute of Westminster went further by removing Britain’s power to legislate for Canada without Canadian consent. So Dominion Status is the earlier arrangement, and the statute is the stronger legal break.

### Why does the Statute of Westminster matter for World War II?

It mattered because Canada could make its own major decisions, including declaring war independently. That showed the country was no longer just following Britain’s lead in foreign policy. In a history course, this is a good example of how legal independence affected real-world action.

## Related Study Guides

- [15.4 Canada's Evolving Role in a Changing Global Order](/history-canada-after-1867/unit-15/canadas-evolving-role-changing-global-order/study-guide/SPjWuZnV3VzGuKuE)

## About This Document

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