Britain Once Divided India. Now Its Own Union Faces A Breakup: Why Scotland, Wales, Northern Ireland Want To Exit UK

News world Britain Once Divided India. Now Its Own Union Faces A Breakup: Why Scotland, Wales, Northern Ireland Want To Exit UK

Britain Once Divided India. Now Its Own Union Faces A Breakup: Why Scotland, Wales, Northern Ireland Want To Exit UK

Published By :

,

Last Updated: September 15, 2026, 15:13 IST

Britain faces a historic unity challenge as Scotland, Wales and Northern Ireland push for self-determination, driven by Brexit, nationalism and EU ambitions.

3 Quick Answers

United Kingdom breakup

Britain, which oversaw the Partition of India in 1947, is now facing demands for self-determination within its own borders. Representatives from Scotland, Wales and Northern Ireland have signed a pact expressing their intention to move away from Westminster’s control, putting fresh focus on the future of the United Kingdom.

Leaders of Scotland, Wales and Northern Ireland on Monday signed a memorandum of understanding calling for constitutional change and asserting their nations’ right to decide their own future. The Scottish National Party (SNP), Plaid Cymru in Wales and the pro-Irish unity Sinn Fein want to break away from the UK, although under different timelines and conditions. Scottish First Minister John Swinney, Welsh leader Rhun ap Iorwerth and Northern Ireland First Minister Michelle O’Neill signed the agreement at a summit in Cardiff.

Why This Moment Is Different

For the first time, pro-independence or nationalist parties are simultaneously leading the devolved governments in Scotland, Wales and Northern Ireland. The SNP in Scotland, Plaid Cymru in Wales and Sinn Féin in Northern Ireland are coordinating their demands.

Yesterday, the three parties signed a joint memorandum of understanding in Cardiff, asserting their right to self-determination and future referendums. Three developments have strengthened the case for such demands since the 2014 Scottish independence referendum and the post-Good Friday period.

The first is political alignment. Nationalist parties now hold power in all three devolved capitals.

The second is Brexit. Scotland voted 62 per cent to remain in the European Union in 2016 but left the EU after the UK-wide result. Nationalists describe this as a “material change in circumstances" that justifies another independence referendum.

The third is growing external and political pressure. US President Donald Trump has publicly supported Irish reunification, while UK Prime Minister Andy Burnham has said he would authorise another Scottish referendum if there were a “clear consensus".

Polling in 2026 puts support for independence at about 47 per cent in Scotland and 32 per cent in Wales. In Northern Ireland, around 36 per cent support reunification with Ireland.

Scotland’s Case For Independence

Scottish nationalists argue that independence would allow the country to take greater control of its political and economic choices.

One of their main arguments is what they call a democratic deficit. Scotland’s preferences on issues such as social spending, taxation and closer ties with Europe can be diluted or overridden at Westminster, where England’s larger population has greater influence.

Brexit remains central to the argument. Scotland voted to stay in the EU but was taken out because of the UK-wide vote. Independence, nationalists argue, could provide a route towards EU membership and access to the single market.

They also want greater control over taxation, welfare, industrial policy and revenues from North Sea and renewable energy. These powers, they say, could help address economic stagnation, demographic pressures and regional inequality.

Scotland already has separate legal, education and health systems under devolution. Supporters of independence argue that full sovereignty would bring constitutional status closer to Scotland’s political identity.

Unionists, however, warn of fiscal uncertainty, questions over currency and the loss of UK-wide economic and security support.

Why Northern Ireland Wants A United Ireland

Northern Ireland presents a different constitutional question. Its nationalists are not seeking an independent state but reunification with the Republic of Ireland.

The 1998 Good Friday Agreement provides for a border poll if it “appears likely" that a majority would support leaving the UK. Sinn Féin and other nationalists want to test whether that threshold has been reached.

Demographic and cultural changes have also kept the issue alive. The growing Catholic and nationalist population, stronger Irish identification among younger voters and trade difficulties following Brexit have all contributed to the debate.

The EU is another factor. Reunification would mean Northern Ireland returning to the EU through the Republic of Ireland, which many nationalists view as an economic and political advantage after Brexit.

Sinn Féin now leads the Northern Ireland executive, giving pro-unity politics greater institutional influence.

Unionists warn of disruption, concerns over Protestant identity and unresolved questions over healthcare, welfare and fiscal transfers in a united Ireland.

Wales Joins The Debate

Welsh independence has traditionally had less support than Scottish independence, but the movement has expanded. Polls in 2026 show around 32 per cent backing independence, its highest recorded level, following Plaid Cymru’s breakthrough in the May Senedd election.

Welsh nationalists argue that Westminster retains control over important areas including major taxation, welfare and macroeconomic policy. They say this limits Wales’ ability to tackle poverty, underinvestment and regional inequality.

The Cardiff pact also sets out a vision of Wales becoming an independent EU member. This fits with the broader “Europe is our common home" position shared by Scottish and Irish nationalists.

Language and cultural identity are also important to the Welsh case, with greater self-government seen as a way to protect Welsh institutions and promote the Welsh language.

Experts, however, point to Wales’ fiscal deficit and reliance on UK transfers, arguing that independence could carry major economic risks.

BREXIT, EU Membership And Economic Angle

Brexit has become the central catalyst behind the debate over the UK’s future. In the 2016 referendum, the UK voted to leave the European Union, but Scotland and Northern Ireland voted to remain – by 62% and 55.8%, respectively.

For Scotland, Wales and Northern Ireland, the economic argument for breaking away from the UK is closely linked to returning to the European Union. Nationalists argue that, after Brexit, EU membership could offer greater opportunities than remaining within a post-Brexit UK.

At the centre of the argument is access to the EU single market, which covers 27 countries and allows the free movement of goods, services, capital and people. Rejoining the bloc could reduce trade barriers, bureaucracy and the costs created by separate UK and EU regulations.

EU membership would also give the three nations access to trade agreements negotiated by the bloc, providing smaller economies with greater bargaining power in international markets. This could particularly benefit sectors such as agriculture, seafood and niche manufacturing.

Northern Ireland’s Special Position

Northern Ireland already has a different post-Brexit arrangement under the Windsor Framework. It remains within the UK customs territory but follows many EU rules for goods, giving businesses access to both the UK and EU markets.

Nationalists argue that reunification with Ireland would secure these advantages through full EU membership. Unionists, however, dispute the economic case, pointing to transition costs, currency questions and the benefits of remaining part of the UK’s internal market and fiscal system.

News18 Newsletter Handpicked stories, in your inbox A newsletter with the best of our journalism submit

Quick Answers Powered by Ask News18 What is the Cardiff pact signed by the leaders of Scotland, Wales, and Northern Ireland? The Cardiff pact is a joint memorandum of understanding signed on September 14, 2026, by Scottish First Minister John Swinney, Welsh leader Rhun ap Iorwerth, and Northern Ireland First Minister Michelle O’Neill. The agreement asserts their nations' right to self-determination, calls for constitutional change, and demands the authority to hold future referendums on breaking away from Westminster's control. How did Brexit impact the push for independence in Scotland and Northern Ireland? During the 2016 referendum, Scotland and Northern Ireland voted to remain in the EU by 62% and 55.8% respectively, but were forced to leave due to the overall UK-wide result. Nationalists view this as a material change in circumstances that justifies breaking away. Rejoining the EU would allow them to eliminate trade barriers and regain access to the single market. What is UK Prime Minister Andy Burnham's stance on holding a new Scottish independence referendum? Prime Minister Andy Burnham stated he would authorize another Scottish referendum if there were a "clear consensus" in public opinion. However, he later clarified in a letter to Scottish First Minister John Swinney that no independence referendum would be held before the next general election. Powered by Ask News18

About the Author Shuddhanta Patra Senior Sub-Editor Shuddhanta Patra is an Indian journalist with about nine years of experience in covering national politics, geopolitics, defence, diplomacy and international affairs. Her reporting focuses on South As... Read More

ADD YOUR COMMENT

Location : London, United Kingdom (UK)

First Published: September 15, 2026, 14:11 IST

Disclaimer: Comments reflect users’ views, not News18’s. Please keep discussions respectful and constructive. Abusive, defamatory, or illegal comments will be removed. News18 may disable any comment at its discretion. By posting, you agree to our Terms of Use and Privacy Policy Loading comments...