Waves of mass migrations from Hong Kong villagers exercised their right of abode in the United Kingdom and left for Europe. In 1967, a series of large-scale riots erupted in Hong Kong, causing social instability. These events led some of the richer Hong Kong residents to move abroad. Emigration took place to countries in Southeast Asia, South Africa or South American countries. This wave did not come to a rest until the mid-1970s. On the 19th of December 1984, the People's Republic of China and the United Kingdom signed the "Sino-British Joint Declaration", validated the 1997 transfer of sovereignty over Hong Kong to China. The declaration prompted
Hong Kong independence parties, such as the Alliance of Resuming British Sovereignty over Hong Kong and Independence (BSHI) and the Hong Kong Independence Party, call for the return of British rule. According to a survey conducted by the Chinese University of Hong Kong (CUHK) in July 2016, around a sixth of Hong Kong's population support the territory becoming an independent entity after 2047, nearly 40% of Hongkongers aged 15 to 24 supported the territory becoming an independent entity, despite 3.6% stated that they think it is "possible". Reasons that have been cited in favour of independence include: The Chinese government firmly opposes Hong