[mratzloff]

It's very straightforward, and although typing speed is not quite the same as English (for me, at least, although I am not a native speaker), it's not wildly different.

Typing a Japanese word or phrase is just like typing in English, with the exception of selecting the appropriate kanji from a list (no mouse or stylus required). An experienced typist can do this very quickly, on a physical keyboard or on a smartphone.

For a word like "Japanese" (language), i.e., Nihongo or 日本語, it's actually fewer keystrokes than in English: 5 vs. 8, or 9 if you count the space afterward since Japanese doesn't have the same spacing requirements.