The Hedera Hashgraph token, HBAR, has a maximum total supply of 50 billion units. Out of this, almost seven billion were in circulation as of January 2021 — equivalent to around 14% of the total supply.
Hedera publishes regular reports detailing when the next wave of HBAR tokens will be unlocked. These reports can be viewed [here](https://help.hedera.com/hc/en-us/articles/360002789198-When-are-the-next-distributions-of-hbars-scheduled-).
According to [Hedera's resources](https://help.hedera.com/hc/en-us/articles/360007177217-How-is-Hedera-management-compensated-#breadcrumb), the two project founders each have a coin grant of two billion HBARs, equivalent to 4% of the total supply each. These tokens are vested over a six-year period.
Other senior executives at Hedera (that joined prior to 2018) have coin grants of between 250 million and 300 million coins. These tokens are vested over a period that ends in December 2021.
According to Hedera's [Economics Whitepaper](https://hedera.com/blog/new-v3-of-the-hbar-economics-whitepaper) (published June 2020), around 17.03 billion HBAR is estimated to be in circulation by 2025 — equivalent to 34% of the total supply.