My mother tongue is Bangla or Bengali. Bengali is one of the top ten most spoken languages in the world and I think that now, it ranks as the seventh most spoken language. Still, you can find that all my blogs are in English but not in Bengali. The only reason for this is that still, it is not possible to earn money from a blog in this language. On the other hand, it is very easy to earn money through a blog in English language because there are many advertisement programs like Chitika and AdSense.
On the other hand, people still mainly search in English language because most of the contents in internet are in this language. There is a huge shortage of content in my own language Bangla and that is why very few people search for anything. So, it is a very bad and vicious circle. Because there is not enough content, people do not search in Bangla. Because people do not search in Bangla, advertisement programs like Google are not interested about Bangla websites and blogs. As a result, it is impossible to earn money by blogging in your native language.
I think that people in
have better condition because Japanese people are not that much strong in English. On the other hand, they like to read content in their own language and that is why there are many Japanese blogs. Of course, I have to admit that I do not know if that many blogs in Japan that earn decent amount of money. May be most bloggers are hobby bloggers and the scope is limited. If you know about it then try to give more information in the comment section. Japan