Why do I always think American English is easier to understand than other kinds of English? I always think American English is easier to understand than other kinds of English. For example, I find it very strange when listening to people who speak English as a second language rather than their mother tongue. But i can totally understand when I talk to Americans in English. Even if it is a little fast. Because in China, all you hear is American English - movies, TV, music etc. You are not used to hearing other forms. Put simply, if you had a lot of German friends who speak English, after a while, you would think German English is easy to understand. Similarly, I'm with Gareth, English spoken by English people is easier for us to understand because we are British.

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They generally speak quite slowly and the non-English speaking world outside of Europe often sees the west through American English; especially in China. You're just more used to it I think. Being British I would say 'the Queens English' British accent is clearer than American though!