BTC Total Supply: 20.10M

How many bitcoins exist in the world today, counted one by one. New coins are created every time miners add a block, so this line only ever goes up — and it slows down every four years.

Bitcoin supply recorded for each UTC day. When the original source has no value, our Bitcoin Core node calculates the scheduled issuance through that completed day.

This line **only ever rises**, and it flattens a little more every four years because the reward miners get per block is cut in half. For example, if it reads 19.9 million, then 19.9 of the eventual 21 million bitcoins already exist — about 95% — so **only** around 1.1 million coins are left to be mined over the next hundred years.

It tells you how scarce the supply is; it says nothing about price.

We retain blockchain.info total-bitcoins history. Missing completed UTC days use the subsidy allowed at each block height through the day’s highest confirmed block, including genesis. The calculation uses whole satoshis and Bitcoin’s halving rules.

Scheduled issuance includes genesis and lost coins. It does not subtract unclaimed rewards or measure spendable coins in the UTXO set. Provider observations and node day-end values can use different cutoffs; existing history is preserved.

blockchain.info history · Bitcoin Core node fills missing days