Britain's brand value has grown 20 per cent over the past year replacing Japan as the fourth most valuable nation brand in the world.
The UK's brand value has risen to $3.8tn but “perceived vulnerability” has undermined its standing on the global stage, according to business consultancy Brand Finance's annual report.
But a healthy economy and positive growth forecasts showed Britain's resilience in the face of Brexit, it said.
The report takes into account GDP data as well as information in goods and services, tourism, talent, investment to assess the value of a nation as a brand.
Brand USA kept its place at the top, with China in second and Germany the third most valuable nation brand.
Chief executive of Brand Finance David Haigh said: “Britain's performance in this year's study of the world's nation brands show that perceptions of Brexit go against the economic reality.
“What the exact scenario and consequences of exiting the EU will be still remains to be seen, but both current market conditions and economic forecasts for the coming years reaffirm Britain's ability to make the most of its post-Brexit future.”
Turkey endured the largest drop in brand value, falling by 33 per cent to $382bn, following a tumultuous year for the country.
Six of the ten fastest-growing nation brands were from Africa – Democratic Republic of Congo, Egypt, Kenya, Tanzania, Ethiopia and Ghana all recorded growth between 28 and 38 per cent year on year.