You inspired me to do a bit more digging. I found the page on world population review.
https://worldpopulationreview.com/country-rankings/reddit-users-by-country
Which lists this site as the true source. Looks pretty legit to me. Seems to be a paid service.
https://www.semrush.com/website/reddit.com/overview/
They’ve got US traffic listed around 51% for December 2024, so it’s actually gone up significantly compared to the March 2023 figures cited by world population review
https://www.slideshare.net/slideshow/reddit-traffic-report-march-2023pdf/257621808
Went from 2.32 billion US visits in March 23 to 3.17 billion in December 24, while Indian visitors actually declined significantly in the same period.
You seem to have misunderstood, it’s the person who started the community who is supposed to provide the blackjack and hookers 😅