Other than Cantonese, a significant minority of Hong Kong's more mature inhabitants, specifically All those from the assorted walled villages, discuss Hakka. There exists also an important Teochew-Talking minority in Hong Kong. Most speakers of those other dialects are also in a position to speak Cantonese, plus the non-Cantonese https://www.nytimes.com/2020/07/05/world/asia/hong-kong-security-law.html