How we revealed the predicament of Generation Y

Guardian journalists were given access to the world's largest income database in order to get a clear and detailed picture of the generation gap

Luxembourg is not known for its world-beating exports. You could cross the country by car in an hour and hardly know it was there, unless you travelled by taxi, in which case it would leave a large hole in your wallet.

But if you stopped a stone's throw from France and approached a cluster of colourful blocks that rise out of an old industrial site, you would be close to one of the country's best-kept secrets.

Related: Generation Y: a guide to a much-maligned demographic

Related: Revealed: the 30-year economic betrayal dragging down Generation Y's income