what is the difference between british citizen and british national
3.6k Views. The difference between citizenship and nationality varies from country to country -. In legal terms with respect to the UK, NATIONALITY is the broader category of which BRITISH CITIZENS form a sub category. Other sub categories include-British overseas citizens, British Protected citizens etc.Naturalisation, inheritance, registration etc. are means to acquire citizenship.he difference between citizenship and nationality varies from country to country -. In legal terms with respect to the UK, NATIONALITY is the broader category of which BRITISH CITIZENS form a sub category.