Nearly a decade after the 2016 referendum, economists and official analyses suggest that the impact of Brexit on the UK economy is complex, but much of the available empirical evidence indicates measurable economic costs alongside a smaller set of potential structural advantages.
Recent research summarized by the National Bureau of Economic Research finds that by 2025 Brexit had reduced UK GDP per capita by 6–8%, investment by 12–18%, employment by 3–4%, and productivity by 3–4%, with effects building gradually over time.
Trade performance has also been affected. A detailed study from the Productivity Institute reports that between 2021 and 2023, UK trade with the EU declined sharply, including a 17% fall in exports and 23% fall in imports on annual measures, reflecting persistent post-Brexit trade frictions.
Independent modelling by the National Institute of Economic and Social Research suggests Brexit reduced real GDP by roughly 2–3% in 2023, with the long-term effect potentially reaching 5–6% by 2035 due to reduced trade, lower productivity, and ongoing uncertainty.
Official forecasters have also highlighted structural effects. According to the UK’s independent fiscal watchdog cited in economic reporting, Brexit is expected to cause a long-term 15% reduction in trade and a 4% fall in national income relative to remaining in the EU.
Recent macroeconomic indicators show the UK economy still facing subdued growth. Data published in February 2026 showed GDP increased only 0.1% in the final quarter of 2025, with business investment down 2.7% and consumer spending rising just 0.2%.
However, the evidence is not uniformly negative. The UK remains a major global services exporter, and the services sector continues to generate substantial trade surpluses even as goods trade has weakened. Some economists also argue that Brexit created policy flexibility and opportunities for independent trade agreements, though these benefits are harder to quantify and may take longer to materialize.
Conclusion
Available empirical research generally indicates that Brexit has imposed measurable economic costs through weaker trade, lower investment, and reduced productivity compared with a hypothetical scenario in which the UK remained in the EU. While certain sectors—especially services—continue to perform strongly, most large-scale studies conclude that, in aggregate economic terms, the UK is currently somewhat worse off than it would likely have been without Brexit.