>>930378Another factor than population numbers, and perhaps even more important than them, is the actual composition of the market. Just because there's a lot of hindi speaking people on this planet, that doesn't mean that they've got capital to devote to donating to streamers or that they are even likely to watch streamers, much less vtubers.
Then you've got to look at the political sphere. If a country's government suddenly makes your activities illegal or strongly regulates them or is volatile in general, you might not want to develop a foothold in that country even if it might be a profitable market.
China, for example, is a huge conundrum to many expanding companies exactly due to it's government, and first and foremost to entertainment companies.
There are reasons why I personally consider a German speaking branch to be more likely than a Spanish speaking branch.
Such as the sheer amount of countries and cultures those numbers are divided in. Mexicans and Argentinians, for example not only have different dialects (that go so far that many a times, different Spanish speaking countries will produce their own dubs and translations for properties that have them in other dialects), but also just cultural differences in general.
Then there's the fact that, while yes, there is a huge parity in purchasing power depending on country of origin, the average is simply not that high.
Not that any direct, specialized branch is that likely right now outside of the asian countries that have already seen expansion.