Oh dear. That means at least 998 million of their fans didn't bother getting an official shirt (other than the snide ones). Apparently they now have 1.1 billion fans. Their official website is just a fake news platform.
About Manchester United
Investor Presentation Investor Presentation --> We are one of the most popular and successful sports teams in the world, playing one of the most popular spectator sports on Earth. Through our 141-year heritage we have won 66 trophies, including a record 20 English league titles, enabling us to...ir.manutd.com
At the risk of being a pedant, the actual number of fans that didnt buy a shirt was 1,098,300,000 (1.0983 billion). Even more incredible than the sheer number is the fact that they even believe this bullshit in the first place and expect us to swallow it.