Helen

Most widely spoken is probably like the mode or most representative sample in statistical blabbery. More countries, more governments, more prime ministers/presidents. What about when measured in people-dollars? I think English would edge-up a bit - biasing towards the movement of trade. AND what about on the net? There is a lot of English spoken (sic) here.

In air traffic controller & from pilots there are only two languages English and Russian - a legacy of the cold war and no international flights over Siberia in those days.