1975 population estimate for Hong Kong, ChinaIn 1975, Hong Kong, China has an estimated population of 3,943,000 people. 1950 | 1955 | 1960 | 1965 | 1970 | 1975 | 1980 | 1985 | 1990 | 1995 | 2000 | 2005 | 2010 | 2015 | All years Growth rates: 1950-2000 | 1950-2015 | 1955-2005 | 1960-2000 | 1970-2000 | 1975-2005 | 1985-2005 | 1995-2005 | 2000-2005 | 2005-2010 | 2005-2015 |