Every 4 years, Bitcoin rewards are cut in half. This is called halving.
Example:
2009: 50 BTC per block
2012: 25 BTC
2016: 12.5 BTC
2020: 6.25 BTC
2024: 3.125 BTC
Example:
2009: 50 BTC per block
2012: 25 BTC
2016: 12.5 BTC
2020: 6.25 BTC
2024: 3.125 BTC