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 not cease to be a ROC national and instead becomes a "person of the Mainland area" with ROC nationality, in addition to PRC nationality he acquires. It is worth-noting that there are no similar legal restrictions for ROC nationals to obtain the permanent resident status of Hong Kong or Macau, and some of the permanent residents of Hong Kong or Macau with PRC nationality also possess ROC nationality because they have obtained the "Overseas Chinese Identity Certificate" prior to the handover of the sovereignty of Hong Kong and Macau, so therefore they have dual nationality of the ROC and the