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An inaugural “quality of nationality index” (QNI) by Henley & Partners, a consultancy, attempts to do just that by looking at the value of citizenship on two counts: to a person living in the country (the internal value) and the ability to live or work elsewhere (the external value). The internal value combines a nation’s economic heft, its score on the UN’s human development index, and its peacefulness and stability. The external value measures the number of countries that a citizen may travel to and settle in, and the weight of those in terms of economic strength and stability.
