TOTAL BITCOIN CIRCULATING SUPPLY
What is the Total Bitcoin Circulating Supply Chart?
The Total Bitcoins in Circulation chart tracks the cumulative number of bitcoins that have been mined and are actively part of the network. This metric reflects Bitcoin's programmed supply issuance, following its fixed cap of 21 million coins. Analyzing the growth in circulation helps traders and investors understand Bitcoin's scarcity dynamics, halvings, and long-term inflation rate.
Bitcoin's circulating supply is one of the most fundamental and predictable quantities in all of finance. It is hard-capped at 21 million BTC and grows on a precisely defined schedule — new coins are issued with every block mined, but the issuance rate is halved every 210,000 blocks (approximately every 4 years). This halving mechanism, written into Bitcoin's protocol, is what makes its supply curve unique among monetary assets.
As of 2024, approximately 19.7 million of the 21 million BTC have been mined. The remaining supply will be issued over the next 120+ years, with each halving cutting the per-block reward in half. The final satoshi will not be mined until approximately 2140. This fixed, transparent, and front-loaded supply schedule is what supporters point to as Bitcoin's core monetary property — unlike fiat currencies, no central authority can inflate the supply.
Lost coins complicate the circulating supply picture. A meaningful portion of early Bitcoin — conservatively estimated at 1–2 million BTC — is presumed lost forever, locked in wallets whose private keys no longer exist. These coins count toward circulating supply in the official figures but are functionally removed from the market. The true liquid supply is likely lower than the headline number.
The supply curve and halving history are critical context for understanding price history. Each of the three previous halvings — in 2012, 2016, and 2020 — preceded a major bull market within 12–18 months. The mechanism is straightforward: new issuance is cut in half, reducing sell pressure from miners at the same time that the narrative of scarcity often attracts new demand. The fourth halving occurred in April 2024.