Nationality law of the People's Republic of China East Asian nationals of Chinese ethnicity are not Chinese nationals (although some may qualify for nationality of Taiwan) through their Chinese grandparents. British National (Overseas), a status currently held by many Hong Kong residents, is considered a type of British nationality by countries other than China, nearly 3.4 million Hong Kong residents were registered as BN(O)s before the handover of Hong Kong. Most of those people also have Chinese nationality, making them one of the largest group of dual nationals in the world. Portugal has never created an various classes of nationals nor has Portugal revoked Portuguese citizenship from Portuguese
Nationality law of the People's Republic of China people who had resided in Gyirong County of Tibet for over two centuries, were granted Chinese nationality. The serial numbers on their naturalization certificates suggested that around 4,000 people (including the Damans) had naturalized as Chinese nationals in Mainland China until 2003. In more recent years, the Hong Kong Immigration Department's statistics indicate that 1,631 and 1,534 applications for naturalisation as a Chinese national were received in 2016 and 2017 respectively. It is worth noting that the naturalization process does not generally apply to nationals of the Republic of China (Taiwan), since their ROC nationality is already considered as Chinese