Same, I don’t know anyone using iMessage and I’m deep into Apple circles.
Same in France. Apple or not, it’s still mostly WhatsApp and a bit of Telegram around me. Only old iPhone users who haven’t installed anything are using iMessage because it’s the default application.
I live in the states and I do not know a single person who still uses WhatsApp. Everyone uses iMessage.
Has WhatsApp ever been bigger than iMessage there? From what I heard it was basically SMS → iMessage