A border poll is often talked about as if it were the finish line. It is not. A referendum would only ask whether people want Northern Ireland to leave the United Kingdom. It would not say what would replace it, who would pay for it, or how the rights of a million British citizens would be protected. Those questions would come after the vote, when it would be too late to change your mind.
What the law actually says
The rules are set out in the Northern Ireland Act 1998, which put the Belfast Agreement into law.
- Northern Ireland stays part of the United Kingdom unless a majority of people voting in a poll here decide otherwise.
- The Secretary of State for Northern Ireland must call a poll if it appears likely that a majority would vote to leave the UK and join a united Ireland.
- The Secretary of State may call one at other times, but there must be at least seven years between polls.
- A change would also need a separate vote in the Republic of Ireland. The Irish Constitution says unity can only come about with the consent of a majority in both jurisdictions.
In 2020 the Court of Appeal in Belfast confirmed that the decision rests with the Secretary of State, who must base it on the evidence, such as election results and opinion polls, rather than a fixed rule.
Consent works both ways
The principle of consent is the foundation of the Belfast Agreement. It protects Northern Ireland's place in the UK for as long as most people here want it. It is not a countdown to unity. Unionists have every right to make the positive case for the Union, and to expect it to be respected.
The last border poll, in 1973, returned 98.9% in favour of remaining in the UK, although most nationalists boycotted it.
The questions a vote would not answer
Nobody has yet set out an agreed plan for a united Ireland. A vote would leave open:
- What kind of state? A single Irish state run from Dublin, or a federal system that keeps a Northern Ireland Assembly? Each would work very differently.
- Who pays? Public spending in Northern Ireland is supported by the UK as a whole. Who would fund the gap, and what taxes would change?
- Health and pensions. The NHS is free at the point of use. The Republic's system is not. What would happen to state pensions earned in the UK?
- Citizenship and identity. How would British identity, symbols and traditions be protected, not just promised?
- Security and policing. What would replace UK-wide institutions that Northern Ireland relies on today?
- Trade. Great Britain is Northern Ireland's largest market. What would change for businesses and jobs?
Why this matters
Calling for a border poll without answers asks people to vote for a blank page. Any serious debate about the future should start with the detail, not end with it. Until those answers exist, the honest position is clear: Northern Ireland's place is in the United Kingdom, and the case for it is strong.
