 During the period the total number of island residents has declined by 50 per cent or more.The island-wide population increase of 4 per cent between 1991 and 2001 occurred against the background of an overall reduction in Scottish island populations of 3 per cent for the same period.By 2011 the population had risen a further 8.4% to 10,008 with Scottish island populations as a whole growing by 4% to 103,702.