Who says sofa vs. couch?

Who says sofa vs. couch comes down to geography and profession. In the United States, many people commonly use the word couch, though some also say sofa. American interior designers and those working in the U.S. furniture industry tend to use the word sofa, which is the preferred term in the UK and Canada. Couch is also the more common name in Ireland, South Africa and Australia. On 1stDibs, explore a wide range of sofas.