10 points
It’s mostly not used in the US afaik. I’ve seen it in a lot of places in Europe and the middle east
2 points
According to Statista, 41% of 'muricans use it, which is a rather low number. Meanwhile, Brazil is the whatsapp country, in terms of percentage. In total numbers, that’d be India, as it’s the most populous country in the world.
https://www.statista.com/statistics/1311229/whatsapp-usage-messaging-app-users-by-country/
