18 million - lost coins = ?
My question is how many Bitcoins are left, which is really a question of how many have been lost?
Here's a little task for you if you want to know how many Bitcoins are left - 21 000 000 - 18 067 062 =?
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Op is talking about the lost coins, not about the total bitcoins less the mined bitcoins. So, your little task is wrong,
So, as OmegaStarScream say, around 4M bitcoins are lost, and one of those millions are satoshi coins. And satoshi gives us some words about the lost coins: