upper class

English Wikipedia has an article on:

upper class

Wikipedia

• (Received Pronunciation) IPA^(key): /ˌʌpəˈklɑːs/
• (US) IPA^(key): /ˌʌpɚˈklæs/

upper class (plural upper classes)

1. Those people at the top of a social hierarchy.
2. The aristocracy.

• the quality

• middle class
• professional class
• working class

• upper-class