Here are the top 20 most watched events in history.
| Rank | Event | Audience |
| 1. | UEFA Euro 2020 | 5.23 billion |
| 2. | Rio 2016 Summer Paralympics | 4.1 billion |
| 3. | London 2012 Summer Olympics | 3.6 billion |
| 4. | Rio 2016 Summer Olympics | 3.6 billion |
| 5. | Russia 2018 FIFA World Cup | 3.57 billion |
| 6. | Beijing 2008 Summer Olympics | 3.51 billion |
| 7. | Atlanta 1996 Summer Olympics | 3.5 billion |
| 8. | Sydney 2000 Summer Olympics | 3.5 billion |
| 9. | Athens 2004 Summer Olympics | 3.5 billion |
| 10. | France 1998 FIFA World Cu | 3.4 billion |
| 11. |
South Africa 2010 FIFA World Cup | 3.2 billion |
| 12. | Brazil 2014 FIFA World Cup | 3.2 billion |
| 13. | 2002 FIFA World Cup (Korea & Japan) | 3 billion |
| 14. | Germany 2006 FIFA World Cup | 3 billion |
| 15. | ICC Cricket World Cup 2019 | 2.6 billion |
| 16. | Michael Jackson memorial service | 2.5 billion |
| 17. |
Salt Lake 2002 Winter Olympics | 2.1 billion |
| 18. | Torino 2006 Winter Olympics | 2.1 billion |
| 19. | Vancouver 2010 Winter Olympics | 2.1 billion |
| 20. | Sochi 2014 Winter Olympics | 2.1 billion |
