The number of ghettos in Denmark has nearly doubled in the last year according to the ministry of social affairs.

A ghetto is defined as public housing areas with 1,000 inhabitants and over 40 per cent unemployment in the18-64 age group, or areas with 5,000 inhabitants and over 30 per cent unemployment.

The number in the country went up from 24 to 45 in 2009, six of which are in Copenhagen.