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The People

Didn't we settle this 'once in a generation'?

The short answer

Two things are true at once, and this page states both plainly. Alex Salmond and Nicola Sturgeon did describe the 2014 referendum as a "once in a generation opportunity", repeatedly and on the record. And no such condition exists anywhere in the agreement the two governments actually signed, in the legislation that enabled the vote, or in any binding document at all.

A campaign remark is not a constitutional rule. The politicians who made it could not have bound future voters if they had wanted to - in a democracy, nobody's rhetoric outranks the electorate. Since 2014 the choice on the table has changed beyond recognition, Scotland has elected a pro-independence parliament three times running, and the people quoting the phrase loudest turn out not to apply it to referendums they wanted re-run. The question of when Scotland decides again belongs to voters at elections, which is exactly where it has been sitting.

What was said, and by whom

The record first, reported straight. In the Andrew Marr interview four days before the vote, Salmond said: "In my opinion, and it is just my opinion, this is a once in a generation opportunity" (BBC, 14 September 2014). Sturgeon used similar language throughout the campaign, sometimes stretching to "once in a lifetime" (The Guardian, 17 September 2014). The Scottish Government's own white paper answered the question "will there be another referendum?" with: "It is the view of the current Scottish Government that a referendum is a once-in-a-generation opportunity" (Scotland's Future, 2013).

Notice what those statements have in common. "In my opinion, and it is just my opinion." "The view of the current Scottish Government." Even at the time, the speakers framed it as a judgment about political reality - referendums are hard to get, don't assume another - and never as a pledge that could bind anyone. Asked by Marr what a generation meant, Salmond pointed to the gap between the 1979 and 1997 devolution referendums: eighteen years.

What was actually signed

The 2014 referendum happened because two governments negotiated a written agreement, signed in Edinburgh in October 2012 by David Cameron and Alex Salmond, and by Michael Moore and Nicola Sturgeon. It is a short agreement with a detailed memorandum attached. The phrase "once in a generation" appears nowhere in it. Neither does any restriction on when the question could be asked again. What both sides committed to was "a fair test and a decisive expression of the views of people in Scotland and a result that everyone will respect" (the Edinburgh Agreement, 15 October 2012).

And it was respected. Scotland voted No, the Scottish Government accepted the result the next morning, and independence did not happen. The agreement was honoured in full by both sides. When Douglas Ross claimed in 2020 that Sturgeon had "signed an agreement" that the vote would be once in a generation, the Ferret Fact Service checked and rated the claim Mostly False - no such agreement exists (The Ferret, August 2020).

Yet by January 2020 the campaign remark had been promoted into the official ground for refusal. Boris Johnson's letter declining a Section 30 request rested on the claim that Sturgeon and Salmond had made "a personal promise" that 2014 was once in a generation (UK Government, 14 January 2020). Consider the constitutional doctrine being proposed there: two politicians' interview answers, elevated over the votes of an electorate, indefinitely. No other question in British politics works that way.

The prospectus has been withdrawn

Even if you think campaign statements should carry weight, the 2014 offer they attached to no longer exists.

In 2014, staying in the UK was presented as the safe way to stay in Europe. The President of the European Commission said it would be "extremely difficult, if not impossible" for an independent Scotland to join the EU (BBC interview, reported February 2014), the UK Government's case was that "Scotland benefits from the UK's status within the EU", and the No campaign's argument throughout was that independence, not the union, was the threat to Scotland's place in Europe (documented with sources in the Scottish Government's 2019 paper). Two years later, Scotland voted 62 per cent Remain, with a Remain majority in every one of its 32 council areas, and was removed from the EU anyway (Electoral Commission results). The single most concrete thing Scots were told a No vote would protect was taken away by the No vote's consequences.

The other half of the prospectus, the Vow's "extensive new powers" and Gordon Brown's "as close to a federal state as you can be", is audited in full on our devolution page. Short version: what arrived was real but nobody's definition of home rule, and part of it was never implemented at all.

In contract terms - and unionist commentators liked the contract metaphor in 2014 - the offer was accepted and then materially varied by one party, without consent. Nobody is bound to a deal whose terms were rewritten after signature.

How long is a generation anyway?

For Scotland, UK law gives no answer. But the British state has answered this exact question once, in writing, for the one part of the UK whose right to a constitutional vote is guaranteed by statute. Under the framework agreed in the Good Friday Agreement and enacted in the Northern Ireland Act 1998, a border poll on Irish unification can be held again after an interval of not less than seven years (Northern Ireland Act 1998, Schedule 1). When the UK Government sat down to write into law how long the losing side of a sovereignty referendum must wait before asking again, the number it chose was seven years. At the time of writing, Scotland is twelve years out.

For everything else, look at how the people quoting the phrase behave when the question is theirs.

The UK voted to stay in the European Community in 1975, by 67 per cent (Commons Library). The campaign to re-run that referendum was led by many of the same voices who now insist Scotland's question is closed, and in May 2016 Nigel Farage told the Mirror that a narrow 52-48 win for Remain would be "unfinished business by a long way" - five weeks before winning by that exact margin and declaring the matter settled forever (HuffPost UK). Quebec voted on independence in 1980 and again fifteen years later (Britannica); Canada survived the indignity of asking twice. Scotland itself voted on devolution in 1979 and again in 1997 - the eighteen-year gap Salmond used as his own definition.

And in 2019, both Boris Johnson and Jeremy Corbyn described that year's general election as a "once in a generation" vote (documented by The Ferret). The next election happened five years later, as normal, because everyone understands the phrase is rhetoric. It sharpens stakes; it settles nothing.

The mandates since

Whatever the phrase meant, Scotland's voters have had three opportunities since 2014 to elect a parliament opposed to any new referendum. They have declined every time.

In 2016 they returned 69 MSPs from parties standing on pro-independence platforms (SNP 63, Greens 6). The winning manifesto that year is worth quoting, because it set its test before the EU referendum happened: another vote would be justified by "a significant and material change in the circumstances that prevailed in 2014, such as Scotland being taken out of the EU against our will" (quoted in the Scottish Government's 2019 paper). Weeks later, precisely that happened. In 2021 voters returned 72 pro-independence MSPs (SNP 64, Greens 8). In May 2026, 73 - the SNP's fifth consecutive term, with 58 seats, alongside a record 15 Greens (Scottish Parliament election results; Commons Library). The new parliament has already voted, 72 to 55, to request the transfer of power for a referendum (Institute for Government).

You can argue about what each result meant. You cannot argue that Scotland keeps electing these parliaments by accident. If three consecutive election victories on explicit manifesto commitments cannot reopen a question, it is fair to ask what a mandate is for - and fair to notice that nobody has ever named the election result that would count.

The words were said, and often

Now the part a campaign site would skip.

The phrase was not a slip of the tongue. Yes campaigners used it deliberately, to tell wavering voters this chance would not come again soon, and some No voters will reasonably feel that a re-run within their lifetime moves goalposts they were promised were fixed. That feeling deserves respect, and pretending the words were never said would insult everyone's memory.

Two more concessions belong here. On Salmond's own eighteen-year yardstick, 2026 is twelve years on - if you accept a generation clock at all, it has not yet run down, and a referendum tomorrow would be earlier than his own definition implies. And polling since 2014 has shown support for independence near half but never sustained and decisively above it (What Scotland Thinks) - the case for asking again rests on election mandates and changed circumstances, honestly stated, and not on any claim that Scotland has already made up its mind.

What none of this does is convert a rhetorical flourish into a constitutional rule. The UK has no law setting any interval for Scotland - no law providing for a Scottish referendum at all - and a fair reading of 2014's words cuts both ways: voters were also told what a No vote would protect, and that promise did not survive either.

So what's the real question?

Not whether the phrase was uttered. It was, often, and you have just read the citations.

The real question is who gets to close a democratic question, and for how long, on the strength of a remark. The people of Scotland signed nothing in 2012 and promised nothing in 2014; they answered the question they were asked, about a United Kingdom inside the European Union that no longer exists. A sixteen-year-old who cast a vote that September is now pushing thirty; anyone in their mid-twenties or younger has never been asked at all. Their answer is not on file anywhere - and a democracy that tells its citizens they were answered before they could speak has stopped being curious about what they think. Elections will go on putting the question of the question to Scotland's voters. On the evidence of 2016, 2021 and 2026, they keep answering.

Related: Westminster keeps saying no - so how could independence even happen? · Wouldn't more devolution do? · I don't like the SNP - why would I vote for independence?

Take it with you

Facts for sharing - each button copies the line, with its source and a link back to this page.

  • 'Once in a generation' appears nowhere in the Edinburgh Agreement. What both governments signed up to was 'a decisive expression of the views of people in Scotland and a result that everyone will respect' - and it was respected (Edinburgh Agreement, 2012)
  • Five weeks before the EU referendum, Nigel Farage said a 52-48 Remain win would be 'unfinished business by a long way'. Nobody told him a campaign remark had closed the question for a generation (Daily Mirror, May 2016)
  • The one time the UK wrote into law how long to wait between sovereignty referendums, for Northern Ireland under the Good Friday Agreement framework, it chose seven years. At the time of writing, Scotland is twelve years out (Northern Ireland Act 1998)
  • In 2016, 2021 and 2026 Scotland elected a Holyrood majority of MSPs standing on manifestos backing a new referendum. If repeated election results can't reopen a question, what exactly is a mandate for? (Scottish Parliament election results)

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