In which geographic region has the use of 'Mac' as a blanket term for any raincoat somewhat faded compared to the United Kingdom?

Answer

North America

Because of the technological shift to sophisticated synthetics, the use of the word 'Mac' as a blanket term for any raincoat has somewhat faded, particularly in North America.

In which geographic region has the use of 'Mac' as a blanket term for any raincoat somewhat faded compared to the United Kingdom?
inventionetymologyfabricapparelrainwear