I don't buy china as the place with the most users. The most mining and trading takes place but other than that they have no use for it there.
I'm sure it's up there but the US must have the most actual users when you take commerce and the quantity of services there.
i agree with you.
what Tanic says is most probably based on the trade volumes he sees. which shows China having the highest volumes every day but the reason for that is the fact that there are a lot of whales and traders and the fact that the trading fees are zero in the major Chinese exchanger called okcoin.
also looking at the usage of bitcoin i am sure the majority is in US as there are a lot of services that you can find accepting bitcoin. and as for India i am sure most of them are faucet/captcha workers not bitcoin users.