The Euro 2020 final drew a global audience of 328 million viewers, according to Uefa.
Gareth Southgate's England team advanced to the final before being defeated on penalties by Italy at Wembley.
According to the football board, the tournament garnered 5.2 billion total views around the world, with an average of 100 million each match.
"The incredible TV figures show the massive appeal not only in Europe but worldwide," Uefa said.
The final, which was televised on the BBC and ITV, drew a total of 30.95 million viewers in the UK, with an average of 29.85 million watching the entire game between Italy and England.
During the competition, there were 7.5 billion interactions on social media platforms, while Uefa's official accounts had two billion views.
"The tournament has a global audience which continues to grow, in particular in North America and Asia, where the fan base following [the Euros] keeps expanding," Uefa marketing director Guy-Laurent Epstein said.
"We also note that there is an ever-increasing number of fans accessing matches through streaming services."