Excerpt:
An immigration report by think-tank Itinera says that 25% of the people in Belgium have at least one parent born abroad.
Half a million people immigrated to Belgium in the last decade, 4.5% of the population. "There total there are about 10% foreigners, 7.5% Belgians of immigrant origin and 7.5% are 2nd and 3rd generation immigrants," says researcher Laurent Hanseeuw. "That doesn't mean that those 25% aren't Belgians, but it's always interesting to show that the proportion is much greater than 50 years ago, and that it will certainly grow."
According to official figures, just 3% are registered as foreigners. Itinera says that because so many people are cut from those figures, there's is a systematic under-estimation