There is a lot of American English, but your assumption is wrong. It would be uncommon to say 'data are valuable' in England too. If this was ever a debate, i

There is a lot of American English, but your assumption is wrong. It would be uncommon to say 'data are valuable' in England too. If this was ever a debate, it was decided a long time ago. Grammarians may choose to argue the point (as if our language was defined in Ancient Rome) but saying "data are" sounds like simple-minded country bumpkins struggling to come to grips with it all.