A Shadow Government is a secret "government in waiting" that remains hidden with the intent to take control of the government should a crippling catastrophe occur.
The Civil Contingencies Secretariat is responsible for planning for government continuity in the event of catastrophe, although it is not itself a "shadow government"
... together, 16.1% have a female householder with no husband present, and 37.4% are non-families. 31.6% of all households are made up of individuals and 12.1% have someone ...