Indigenous or long-established groups with a long-standing and distinct ethnic, linguistic or cultural identity, distinct from that of the majority. They may use the main language of the country (such as the Swedes of Finland), or have substantially adopted the main language of the country (such as the Welsh or the Native Americans). National minorities may share their language or culture with majorities in adjoining countries,or may be confined to the country in which they are a minority. (www.ifla.org)