Firsthand Bitcoin · Data · Bitcoin miners
Data / Bitcoin supply / 2021
Bitcoin in circulation, with every halving marked, on the way to 21 million.
Bitcoin in circulation opened 2021 at 18.587M ₿ (January 1, 2021) and closed at 18.916M ₿ (December 31, 2021), up 1.8%. The high was 18.916M ₿ on December 31, 2021 and the low 18.587M ₿ on January 1, 2021.
| Month | Month end |
|---|---|
| January 2021 | 18.615M ₿ |
| February 2021 | 18.641M ₿ |
| March 2021 | 18.670M ₿ |
| April 2021 | 18.695M ₿ |
| May 2021 | 18.723M ₿ |
| June 2021 | 18.745M ₿ |
| July 2021 | 18.772M ₿ |
| August 2021 | 18.803M ₿ |
| September 2021 | 18.830M ₿ |
| October 2021 | 18.860M ₿ |
| November 2021 | 18.887M ₿ |
| December 2021 | 18.916M ₿ |
Every bitcoin that has ever been mined. The curve bends at each halving, because the new coins in every block are cut in half. About 95% of all bitcoin already exists; the last will be mined around 2140.
Other years: 2026 · 2025 · 2024 · 2023 · 2022 · 2020 · 2019 · 2018 · 2017 · 2016 · 2015 · 2014 · 2013
Also in 2021: Bitcoin price · Distance from the all-time high · 200-day and 200-week averages · Network hashrate · Mining difficulty · Difficulty adjustments · Fees paid to miners · Transactions per day · Hashprice · Miner revenue · Bitmain releases and the bitcoin price · Break-even electricity price