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I live in the U.S. I use Whatsapp to connect with family members in another country. I have a Facebook account just for my informal HOA community posts. I have zero fb friends. I hope my HOA finds another means to communicate.

https://www.statista.com/statistics/280914/monthly-active-wh...

I read on HN Brazil has a vibrant WhatsApp community of users. Doctors confirming appointments, hospital sending stuff, etc. That kind of things.

Whatsapp is the market leader in mobile (and desktop) IM in LATAM & EU. YMMV but I would go with ~75-80%

Do they have more granular data? I guess they're more prevalent in Western Europe (I read about people from Spain or Italy being all on).

different indeed, everyone I know in Ireland uses it.

WhatsApp absolutely dominates SEA too.