The Scottish National Party (SNP) won 58 of 129 Holyrood seats on Thursday 7 May 2026, seven below the 65-seat threshold John Swinney named in his 16 April manifesto launch as the trigger for a 2028 independence referendum. Holyrood turnout was 53.0 percent, down 10.5 points on 2021. Swinney remains as caretaker First Minister and is expected to form a minority SNP administration with informal support from the 15 Scottish Greens.
The 58-seat result sits between More in Common's pre-election projection of 56 and YouGov's final Holyrood MRP of 62. Both models bracketed the actual count within seven seats. Additional Member System (AMS), the mixed ballot that combines constituency seats with regional list top-ups to achieve proportionality, behaved as a halfway house between Wales D'Hondt's one-seat-per-party accuracy (event-02) and England FPTP's 894-seat miss (event-00). The PR component disciplined the projection; the FPTP component introduced the residual error.
Section 30 of the Scotland Act 1998 is the route to a legal independence referendum: Westminster grants Holyrood a temporary statutory power to legislate for one. The 2022 UK Supreme Court ruling in Lord Advocate's Reference settled that Holyrood cannot legislate for a referendum without a Section 30 order regardless of seat count. Westminster refused a Section 30 order at the SNP's 64-seat 2011 majority and the 2019 mandate after the 2021 Holyrood victory. At 58 seats, there is no fresh majority on which to base a renewed request. The constitutional question is no longer whether Westminster will grant a Section 30 order; it is whether the SNP attempts a unilateral consultative-only ballot, knowing the Supreme Court has already ruled such a vote ultra vires.
The Electoral Commission has not yet published a Voter Authority Certificate breakdown of the turnout drop. Whether the 10.5-point fall reflects voter ID friction or campaign fatigue is the first material question for the Commission's post-election review. A friction explanation puts the Commission and Holyrood ministers under immediate pressure to revise voter ID guidance before the next ballot; a fatigue explanation hands the SNP a different problem, one of mobilising its own voter base after a decade in office.
