On April 1, 2022, the 19,000,000 Bitcoin was mined. That leaves only 2 million more bitcoin to be mined with the last estimated to be mined in approximately 100 years.
In block 73002, mined by SBI crypto, the 19 millionth Bitcoin entered circulation.
so far, El Salvador is the only nation-state to adopt Bitcoin as legal tender, but several other countries, including Brazil, have showed signs they are interested in Bitcoin adoption.