Census and Statistics Department (Hrsg.): 2021 人口普查 Population Census: 主要結果 Main Results. Hong Kong Government Printer, 2. Dezember 2022, Table 3.13 Population aged 5 and over by usual language and place of birth, 2021, S.55 (chinesisch (traditionell), englisch, gov.hk [PDF; 8,0MB]).
doi.org
LEE K.S., LEUNG W.M.: The status of Cantonese in the education policy of Hong Kong. In: Multilingual Education. Band2, Nr.2, 2012, doi:10.1186/10.1186/2191-5059-2-2 (englisch).
Census and Statistics Department (Hrsg.): Hong Kong Statistics 1947–1967. Hong Kong Government Printer, April 1969, Table 2.13 Population by usual language, S.23 (englisch, gov.hk [PDF; 37,7MB]).
Census and Statistics Department (Hrsg.): Hong Kong 1991 Population Census – Main Report. Hong Kong Government Printer, 1993, Table 2.20 Population Aged 5 and Over by Usual Language/Dialect and Place of Birth – 1991, S.44 (englisch, gov.hk [PDF; 14,2MB]).
Census and Statistics Department (Hrsg.): Hong Kong 2001 Population Census – Main Report Volume I. Band1. Hong Kong Government Printer, 9. Juli 2002, Table 3.13 Population Aged 5 and Over by Usual Language and Place of Birth – 2001, S.47 (englisch, gov.hk [PDF; 4,5MB]).
Census and Statistics Department (Hrsg.): 2011 人口普查: 主要報告第一冊 – 2011 Population Census: Main Report Volume I. Band1. Hong Kong Government Printer, November 2012, Table 3.13 Population aged 5 and over by usual language and place of birth, 2011, S.44 (chinesisch (traditionell), englisch, gov.hk [PDF; 6,6MB]).