Ten percent of the Belgians of immigrant origin who are older than 55 migrated in the past 5 years. According to data from 2004, 5% of those 55+ in the Flemish Community were immigrants, 70.1% of them were Europeans.
All elderly from North-Africa and Turkey were born abroad. Of this group, about a thousand aged 65+ came recently to Belgium, usually because they have lost their spouse and come to live by their son or daughter.
Source: HLN (Dutch)