Unfortunately in some countries there is repression by the authorities that prohibit their citizens from using them.
The opposite thing happens in other countries and we could say that they are bitcoin and cryptocurrency friendly countries.
However, mass adoption is yet to come.
I have done a little search and found this interesting statistic.
Cryptocurrency adoption is growing around the world. As a leading cryptocurrency payments company, we strive to offer key statistics to help businesses better understand the cryptocurrency market—how you can reach untapped markets and grow your business.
As of 2021, we estimated global crypto ownership rates at an average of 3.9%, with over 300 million crypto users worldwide. And over 18,000 businesses are already accepting cryptocurrency payments.
Over 300+ million crypto users worldwide.
North America - 28 million.
South America - 24 million.
Europe - 38 million.
Africa - 32 million.
Asia - 160 million.
Oceania - 1 million.
https://triple-a.io/crypto-ownership/