Immigration could offer one way for Denmark to expand its labour supply, thereby lowering the dependency ratio, at least for some time, and easing the task of ensuring fiscal sustainability. However, these beneficial effects are obtained only if immigrants are in work. Yet a significant proportion of immigrants have found it quite difficult to get work in Denmark, while the country has been relatively unattractive to high-skilled foreigners. Furthermore, the structure of the economy not only makes it difficult for low-skilled foreigners to gain a foothold in the labour market, but also provides generous social benefits that have caught many of the least skilled immigrants in a benefit trap. A heightened appreciation of these problems, including a tighter focus on the economic situation of the immigrants already present, have underpinned the main changes in policies on immigration in recent years ...