A vote for Brexit would cause an immediate recession

A vote for Brexit would cause an immediate recession
	FALSE
	"A vote to leave the European Union in June 2016 would immediately tip the UK into a recession, causing hundreds of thousands of job losses and a sharp fall in house prices within two years."
Domain	Politics & Elections
Tactic	Statistical & Evidentiary Distortion; Propaganda Technique;
Era	Current
First seen	2016
Origin	HM Treasury analysis published in May 2016 and statements by Chancellor George Osborne and Prime Minister David Cameron during the referendum campaign
Last reviewed	2026-10-27
	Further reading: books on Politics & Elections

The claim that a vote for Brexit would cause an immediate recession was a central warning of the Remain campaign in the 2016 UK referendum. A Treasury analysis published in May 2016 predicted that a vote to leave would cause a recession, with GDP between 3.6 and 6 percent lower within two years than if Britain had stayed, the loss of 500,000 to 800,000 jobs and a fall in house prices. Chancellor George Osborne also warned of an emergency budget with tax increases and spending cuts. After the vote, the UK did not enter a recession, unemployment continued to fall and there was no emergency budget. Leave campaigners called such warnings "Project Fear." Longer-term studies do suggest that Brexit has reduced UK economic growth, trade and investment, but the specific prediction of an immediate recession was wrong.

The claim

On May 23, 2016, the Treasury published The immediate economic impact of leaving the EU. It modeled two scenarios, a "shock" and a "severe shock," and concluded that a vote to leave would push the economy into recession through uncertainty and financial market turmoil. Osborne and Cameron publicized the findings. In June Osborne said he would need an emergency budget with tax rises and spending cuts if the country voted to leave.

What the evidence shows

No recession. After the June 23, 2016, vote, the UK economy continued to grow in 2016 and 2017, although more slowly than some peers. Official statistics showed no recession.
Jobs. Unemployment continued to fall after the referendum, reaching its lowest level in decades by 2019.
Market reaction. The pound fell sharply, by around 10 to 15 percent against major currencies, raising import prices and inflation, which reduced real wages. The Bank of England cut interest rates and expanded its bond-buying program, which may have cushioned the economy.
No emergency budget. Osborne left office in July 2016 and his successor, Philip Hammond, did not introduce a punishment budget.
Methodological criticism. Economists noted that the Treasury model assumed the government would invoke the formal withdrawal process immediately and that policymakers would not respond, both of which proved wrong. The model was also criticized as designed to support the government's position.

Longer-term effects

The failure of the short-term forecast does not mean Brexit had no economic cost. The Office for Budget Responsibility, the UK's independent fiscal watchdog, has estimated that leaving the EU will reduce long-run productivity and GDP by about 4 percent compared with remaining. Studies by academics and research institutes have found that Brexit reduced business investment and trade with the EU. Many economists distinguish between the immediate prediction, which was wrong, and the longer-term warnings, which have been broadly supported.

Why it persists

The failed recession prediction became a key argument for Leave supporters that experts had exaggerated the risks, contributing to skepticism of economic forecasts more broadly. Michael Gove's remark during the campaign that people had "had enough of experts" captured that sentiment. The episode illustrates how overstated forecasts can backfire and damage trust in legitimate long-term analysis.

Lessons for readers

Distinguish between short-term predictions and long-term projections.
Ask what assumptions economic models make about how people and policymakers will respond.
Government analyses produced during a campaign may serve political aims.
A failed forecast does not prove the opposite conclusion.
Exaggerated warnings can undermine trust in accurate ones.

Sources

HM Treasury, HM Treasury analysis: the immediate economic impact of leaving the EU (May 2016).
Office for National Statistics, GDP and labour market statistics, 2016–2019.
Office for Budget Responsibility, Economic and fiscal outlook (various editions), discussion of Brexit effects.
Full Fact, "Project Fear: What did the Treasury forecast?" and related analyses.