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ANALYSIS
21 JUN 2026
UK politics · Westminster

Two years after a landslide, Keir Starmer’s leadership is in open crisis

The Observer reports the prime minister is expected to set out a timetable for his departure on Monday; a government source told Reuters he remains focused on the job, and Downing Street has not confirmed anything.5 Whatever Monday brings, the measured picture is already stark: near-record-low ratings, the heaviest local-election losses in a generation, and a rival newly installed in Parliament with a route to the top.

−45
Starmer’s net favourability, YouGov, mid-June 2026 — among the worst recorded for a serving PM1
54.8%
Vote share for rival Andy Burnham in the Makerfield by-election, 18 June 20264
6
UK prime ministers who will have left office in a decade, if Starmer goes7
What the data shows

A steep, early and broad-based fall in support

Labour won the July 2024 general election with a Commons majority of 172 — but on the smallest share of the vote of any majority government in modern record-keeping.3 That thin foundation eroded quickly. Starmer’s net favourability began marginally positive and fell across his premiership; by January 2026 YouGov put it at roughly −57, a level it otherwise records only for Liz Truss, and it sat near −45 in mid-June 2026.1 The government’s own net approval was about −51 in June, leaving Labour almost as unpopular as the Conservatives were on the eve of their 2024 defeat.1

The discontent came from several directions at once. Early policy choices set the tone: a means-test on the winter fuel payment for pensioners — later largely reversed in 2025 — was the single least-popular early measure, and surveys soon showed majorities unhappy on immigration, the NHS and an early-release prisons policy.18 Critics on the right attacked tax rises and small-boats numbers; critics on the left objected to welfare reform, the government’s stance on the Gaza war and its refusal of a wealth tax.8 Pollster Luke Tryl of More in Common described Starmer as having “become a vessel for people’s frustration with the system”.8

Exhibit 01
The early policy backlash that set the trajectory
Source: YouGov, September 2024, reported in contemporaneous coverage.18 Figures are the share of GB adults expressing the negative view named. Online sample; these are snapshots from early in the premiership, shown to illustrate where the slide began, not current readings.

A separate scandal compounded matters: the appointment, then September 2025 dismissal, of Peter Mandelson — a friend of the late convicted sex offender Jeffrey Epstein — as ambassador to Washington, and questions over what Starmer knew and when. Starmer never met Epstein and is not accused of wrongdoing.7

Why the pressure has peaked now

The verdict at the ballot box, then inside the party

Unpopularity became an existential threat when it showed up in votes. At the May 2026 local elections Labour lost control of around 35 councils and close to 1,500 councillors; the BBC’s projected national vote share put the party on about 17% — roughly half its general-election level, and level-pegging for third.6 By mid-May, more than 95 Labour MPs had publicly urged Starmer to resign or set a departure date, and a health secretary, four junior ministers and several aides had quit.8 The threat sharpened on 18 June, when Greater Manchester mayor Andy Burnham — long seen as the most plausible alternative — won the Makerfield by-election with 54.8% of the vote and a majority of about 9,200, returning to Parliament and making himself eligible to stand in any leadership contest.4

The public verdict is unambiguous in the most recent polling. In an Ipsos survey of 1,142 GB adults conducted 12–16 June 2026, 52% said Starmer should stand down as prime minister against 35% who said he should continue; two-thirds — 67% — said he should not lead Labour into the next general election, and just 8% thought the party more likely to win with him than without.2

Exhibit 02
“Should Keir Starmer stand down as prime minister?”
Source: Ipsos, online survey of 1,142 GB adults aged 18+, 12–16 June 2026 (before the by-election result).2 Figures weighted to the population; as with all polls, subject to sampling and other error.
~1,500
Labour councillors lost at the May 2026 local elections6
17%
BBC-projected national vote share, 2026 locals — about half the 2024 level6
95+
Labour MPs who urged Starmer to go by mid-May 20268
−51
UK government net approval, YouGov, June 20261
In historical context

Six prime ministers in ten years

A leader losing public confidence and being pushed out by their own party between elections is, in itself, an ordinary feature of Britain’s parliamentary system: voters elect MPs, not a prime minister directly, and a governing party can replace its leader at any time.7 What is unusual is the pace. In the 26 years from 1979 to 2005 the UK had three prime ministers; from 2005 to 2015, three more; since 2016 it has had six — four of them in the four years to 2024.8 If Starmer departs, he becomes the sixth to leave office in a decade, and a successor would be the seventh prime minister in ten years.7

Exhibit 03
Tenures of UK prime ministers, 1979–2026 — the spans are getting shorter
Source: Dates of office, public record; turnover framing per UK in a Changing Europe and contemporaneous coverage.37 Width ∝ time in office. Starmer’s bar runs to 21 June 2026 and is ongoing; no future end-date is implied.

The contrast is sharpest when turnover is read as a rate. Three leaders across 26 years is one about every nine years; three across the next decade is one every three; six in the most recent decade is one roughly every 20 months.8

Exhibit 04
Number of prime ministers per period
Source: Public record of offices held; periods as framed by analysts of UK political turnover.8 Caution: the first window spans 26 years and the latter two 10 each, so the counts are not directly comparable — the meaningful signal is the rising rate noted above, not the raw bars.

Starmer is, in one respect, an outlier even within this turbulent run. His four immediate predecessors were largely “takeover” prime ministers who inherited crises mid-Parliament; of them, only Rishi Sunak lost a general election, while Theresa May, Boris Johnson and Liz Truss were effectively removed by their own MPs.3 Starmer, by contrast, won a landslide just two years ago — and the last two leaders to win by comparable margins, Margaret Thatcher and Tony Blair, each governed for around a decade.3

What we don’t know

Whether — and when — Starmer actually resigns is unconfirmed: The Observer reports an expected Monday statement, while a government source says he remains focused on governing, and there is no Downing Street confirmation.5 Nor is it settled whether a formal contest will be triggered (a challenger needs 81 nominations) or who would win it. The causes of his unpopularity are many and overlapping — the economy, Brexit’s long shadow, specific policies and scandals — and polling cannot cleanly isolate which mattered most. Ratings here are snapshots; YouGov’s favourability figures come from online panels for which no classical margin of error applies, and small wave-to-wave differences should not be read as real movement.

Where it’s genuinely contested

Is rapid turnover a sign of a healthy democracy?

On the facts of how it happens, there is little dispute: mid-term removal of a leader is constitutional and routine in Westminster systems. On what it signifies, credible observers genuinely disagree — partly an empirical question about consequences, partly a value question about what we want from democracy.

Reads as accountability

That a party can remove a leader who has lost public confidence — without a country waiting years for the next election — is the system being responsive, not breaking down. Voters do not elect a PM directly; the mechanism that lets MPs act on a collapse in support is a feature, not a fault.7

Empirical & value
Reads as instability

Frequent changes weaken the office, break policy continuity and can signal a deeper malaise — weak party loyalty, a stagnant post-Brexit economy, leaders unable to deliver. Landslide winners failing within two years is historically abnormal and, on this view, a symptom of dysfunction rather than healthy renewal.37

Empirical & value
Caveat. Two cautions on any tidy reading. First, Starmer’s ratings, though very poor, were not quite as low as Johnson’s, Sunak’s or Truss’s immediately before they fell — so the numbers alone do not fully explain the pressure; party management and Burnham’s emergence matter too.9 Second, because he is a landslide winner rather than a mid-term takeover, his case may be partly idiosyncratic, which weakens any claim that his troubles prove a purely structural instability.3
Method. “Net favourability” is the share favourable minus the share unfavourable; “net approval” the equivalent for satisfaction with the government. Derived figures — turnover rates (one PM per period ÷ years in that period) and the by-election majority — were computed in code and checked against the published results; the per-period PM counts use windows of differing length (26 / 10 / 10 years), so Exhibit 04 is read for rate, not raw height. Hero figures use only measured data; the reported Monday resignation is an unconfirmed scenario and is excluded from every headline figure. Polls cited carry pollster, sample and fielding dates inline; online opt-in panels (YouGov) have no classical margin of error, while Ipsos figures here are from weighted online samples of roughly 1,000–2,200 GB adults.
Sources. Numbered, highest tier first; each inline citation resolves here.
  1. T1Makerfield by-election result, 18 June 2026 (electoral record) — via ITV News / PA and PollCheck. Burnham (Lab) 54.8%, majority ~9,241. Retrieved 21 Jun 2026.
  2. T2YouGov leader-favourability and UK government-approval trackers (Aug 2024–Jun 2026), accessed via Statista: Starmer net favourability ~−45 (Jun 2026), ~−57 (Jan 2026); government net approval ~−51 (Jun 2026). Retrieved 21 Jun 2026.
  3. T2Ipsos, UK political surveys 2026, incl. Political Pulse 12–16 Jun 2026 (n=1,142) and 5–9 Jun 2026 (n=2,247), GB adults 18+, online, weighted. Retrieved 21 Jun 2026.
  4. T2UK in a Changing Europe, Ben Worthy, “Why is the UK losing so many Prime Ministers?” (2026) — turnover analysis, takeover-PM framing, dates of office. Retrieved 21 Jun 2026.
  5. T3The Observer (report that Starmer is expected to resign Monday and set a departure timetable) and Reuters (government source says he remains focused on the job), as carried 20–21 Jun 2026. Retrieved 21 Jun 2026.
  6. T3BBC, 2026 UK local elections — council losses and projected national vote share (~17%), as reported. Retrieved 21 Jun 2026.
  7. T3CBS News and NBC News, explainers on UK prime-ministerial turnover (“six in ten years”), the Mandelson–Epstein appointment, and the by-election’s significance, Jun 2026. Retrieved 21 Jun 2026.
  8. T3Contemporaneous coverage of the 2026 Labour leadership crisis aggregating named sources (YouGov, LabourList, The Guardian, More in Common) — policy-backlash figures, MP letter counts, era turnover counts. Retrieved 21 Jun 2026.
  9. T3The Conversation (academic-authored), on long-run PM satisfaction trends and comparative ratings before recent resignations, Apr 2026. Retrieved 21 Jun 2026.
Corrections. Noodle News · v1.1 (20 Oct 2026): on narrow phone screens some chart labels ran off the edge of the chart; Exhibit 1’s labels and Exhibit 3’s bracket label are shortened (the full wording is in the text and the chart’s description). No figures changed.
Figures to 21 Jun 2026. Noodle News · v1.1 · published 21 Jun 2026. A developing story; figures and the resignation question may change after publication.