UK European Elections: History & Context
From UKIP's 2004 breakthrough to the Brexit Party's 2019 landslide. How European elections shaped British politics and paved the way for Reform UK.
Why European elections shaped British politics
UK European Parliament elections used proportional representation — a stark contrast to Westminster's First Past the Post. Lower turnout, mid-term timing and no government at stake made them ideal protest votes. Successive European elections served as pressure valves for Eurosceptic and anti-establishment sentiment: UKIP used them to build a media platform and force the 2016 Brexit referendum; the Brexit Party used the 2019 result as a direct weapon against Theresa May's Brexit deal. The line from UKIP's 2004 breakthrough directly to Reform UK's 2024 Westminster surge is clear and unbroken.
EU Election Results by Year
| Year | Con % | Lab % | Lib Dem % | UKIP/Brexit % | Greens % | Winning party | Turnout |
|---|---|---|---|---|---|---|---|
| 1999 | 35.8% | 28.0% | 12.7% | UKIP 7.0% | 6.3% | Conservative | 24.0% |
| 2004 | 26.7% | 22.6% | 14.9% | UKIP 16.1% | 6.3% | UKIP (MEPs) | 38.2% |
| 2009 | 27.7% | 15.7% | 13.7% | UKIP 16.5% | 8.6% | Conservative | 34.7% |
| 2014 | 23.1% | 25.4% | 6.9% | UKIP 27.5% | 7.9% | UKIP | 35.6% |
| 2019 | 8.8% | 13.6% | 19.6% | Brexit 31.6% | 11.8% | Brexit Party | 37.0% |
Sources: Electoral Commission. 1999–2009 UKIP data. 2014 UKIP, 2019 Brexit Party. UK left the EU in January 2020; no subsequent EU elections.
The Brexit Party 2019: What Happened
31.6% in six weeks: the fastest political rise in British electoral history
The Brexit Party was registered in February 2019 and won 31.6% and 29 MEPs in the May 2019 European elections — in under six weeks. It destroyed the Conservative vote (8.8%) and damaged Labour (13.6%). The proximate cause: Theresa May's failure to deliver Brexit by the 29 March 2019 deadline, forcing participation in EU elections that many Brexiteers regarded as an insult. Nigel Farage's party acted as a vessel for fury at the entire political establishment. The 2019 result directly accelerated May's resignation and Boris Johnson's ascent to the Conservative leadership.
UKIP 2014: The Earthquake That Forced a Referendum
UKIP's 27.5% made a Brexit referendum politically unavoidable
UKIP's 27.5% in the 2014 European elections — placing first, ahead of both Labour and the Conservatives — was the first time in over a century that neither Labour nor the Conservatives had topped a national UK election. It sent a clear message to David Cameron: failure to offer a referendum on EU membership would be electorally fatal. Cameron had already promised a referendum if re-elected in 2015; the 2014 UKIP result made that promise impossible to abandon. Without the 2014 European election result, the 2016 Brexit referendum almost certainly would not have happened when it did.
UKIP's peak and fall
UKIP hit 27.5% in 2014 EU elections and 12.6% in the 2015 General Election — translating to just one Westminster seat due to FPTP. After the 2016 referendum result was delivered, their raison d'etre evaporated. The party collapsed in the 2017 election to 1.8%, riven by infighting and irrelevance. Farage resigned and eventually moved to the Brexit Party and then Reform UK. The voter base, however, remained — and is now largely incorporated into Reform UK's coalition.
From UKIP to Reform: the lineage
The Reform UK party is effectively the third iteration of Nigel Farage's political vehicle. UKIP (1993–present, though marginalised post-2017), Brexit Party (2019–2021) and Reform UK (2018–present, rebranded 2019) all drew from the same voter coalition: Leave-voting, anti-establishment, working-class and older voters disillusioned with both Labour and the Conservatives. The trajectory from UKIP's 7% in 1999 to Brexit Party's 31.6% in 2019 to Reform's 14.3% Westminster vote in 2024 represents a coherent political force that has fundamentally reshaped British politics.
The Reform UK Surge: European History as Context
| Election | Year | Party | Vote % | Seats / MEPs | Political impact |
|---|---|---|---|---|---|
| EU | 2004 | UKIP | 16.1% | 12 MEPs | Breakthrough; Farage becomes national figure |
| EU | 2009 | UKIP | 16.5% | 13 MEPs | Consolidation; Eurosceptic base cements |
| GE | 2010 | UKIP | 3.1% | 0 seats | FPTP kills Westminster presence |
| EU | 2014 | UKIP | 27.5% | 24 MEPs | First national poll win; referendum forced |
| GE | 2015 | UKIP | 12.6% | 1 seat | FPTP limits to Clacton only |
| Ref. | 2016 | Leave | 51.9% | Victory | Brexit delivered; UKIP purpose gone |
| EU | 2019 | Brexit Party | 31.6% | 29 MEPs | Lightning rise; May resigns; Boris PM |
| GE | 2019 | Brexit Party | 2.0% | 0 seats | Stood down in Con seats; Boris wins anyway |
| GE | 2024 | Reform UK | 14.3% | 5 seats | Major Westminster presence; FPTP still bites |
| Polling | 2026 | Reform UK | ~26% | n/a | Largest or 2nd party in national polls |