Countries with good economies usually have developed financial industries. There are many investors in the developed financial sector. The investment community has been popular for decades. From the stock market to real estate, there are a large number of investors entering, so the developed countries are more likely to accept bitcoin.
Infrasructure communication in developed countries has been very smooth so that the speed of the internet has been very supportive for the use of bitcoin, in contrast to developing countries where internet speed is very alarming.
Besides that the level of education of the people is already high so that bitcoin transactions that use android devices or computers are not an obstacle.
The last is that their capital ownership has been established so that when running a bitcoin transaction there is no mental pressure.
Even in developing countries, the internet is an expensive and rare item there. of course a country's technological development
is also very influential. compare developed countries like US, japan, etc, of course they have many crypto users..