The Cambridge Online Survey of World Englishes

quarter

with [kw] (62%)
with [k] ("cor-ter") (30%)
I use both interchangeably (6%)

(Other results)

The Cambridge Online Survey of World Englishes is run by Bert Vaux and Marius L. Jøhndal, University of Cambridge, United Kingdom, and is hosted by the Text Laboratory at the University of Oslo.

Questions, suggestions and comments about the survey should be directed to Bert Vaux.

The survey is available under the CC BY-NC-SA 3.0 license.