Non-native English speakers would have learned more on American English especially if they were educated in their own country. The Philippines has Tagalog as its official language but still uses English basically as medium of instruction in schools. There are several countries that have English as their official language and have it as their language of instruction in schools.
Here is a nice video:
Cafetalk is an online language tutorial that has tutors from different countries. Around 75% of students are taking up English lessons. Other language lessons are like French, Italian, Japanese, Korean, and Chinese. There are also lessons of interest like hobbies, music, arts, health and fitness, and the like.
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