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
The Quality of Nationality Index The Quality of Nationality Index The Quality of Nationality Index (QNI) ranks the quality of nationalities based on internal and external factors. Each nationality receives an aggregated score based on their economic strength, human development, ease of travel, political stability and overseas employment opportunities for their citizens. The data is collected from various sources with quantifiable data. The QNI was created by Dimitry Kochenov, an expert in citizenship, nationality and immigration law and constitutional law of the European Union at the University of Groningen and Christian Kälin, chairman of Henley & Partners. Being a national of any country is a