Why write Cyrillic in UNICODE?

Question

Unicode

Here is a package in which country names are stored in nicode format, why and why?
Does it make sense to store the name of the country in unicode format in the database?
In what cases is it useful?

Answer 1

If you need to display somewhere the name of the country in exactly the language that the country is called.
Bangladesh - Beng. Is
Unicode needed here or not?
Added
But the fonts, indeed, do not contain the entire Unicode table, but only some ranges. Therefore, the font must be suitable for the user. That is, to be present in his system or to be loaded when receiving an HTML page.