There are some information that bitcoin have be reiterated in some country why in some country it as not be accepted and for some country they have not heard
If in your nation, Internet can be accessed, people will find out bitcoin. Governments can block locals to access Internet and external sources of information. Even in China, Chinese can break fire walls from the governments.
With the bull for bitcoin and with social media like Facebook, Twitter and the shill from Tesla and Elon Musk, more people will know about bitcoin. Local newspapers can avoid to write about bitcoin but they will likely not ignore news from Tesla and Elon Musk.