The current supply or current circulation of Bitcoin has increased to 19 million through Block Mining No. 730002. And only 2 million bitcoins left. The block 730002 has been mined by SBI CRYPTO. They received 6.32 bitcoins or about $ 300,000 as mining rewards from this block.
The remaining 2 million will be mined by 2140. After every 4 years or 210000 blocks, the block reward is halved. Initially, the reward for each block was 50 bitcoins, which has now halved to 6.25 bitcoins. The rest of the bitcoin mining will take more time due to being halved in 4 consecutive years.