Population in Gibraltar per nationality (1981-2012)

Origin of surnames in the electoral roll by percentage is: British (27%), Spanish (26%, mostly Andalusian but also some 2% Minorcan), Genoese and other Italian (15%), Portuguese (15%), and Maltese (8%). There are also small (less than 1%) populations of other groups such as Moroccans, French, Austrians, Chinese, Japanese, Polish and Danish.

Reference 1: Gibraltarian, UK and other British, Moroccan, Other Nationalities (*), Spanish and Other EU.

Reference 2: 1981[75], 1991[75], 2001[75] and 2012[75].

Source: http://en.wikipedia.org/wiki/Geography_of_Gibraltar