instruction: To acquire Swedish citizenship by naturalisation what should be the minimum age of the applicant and what documents are required.
context: Swedish citizenship can be acquired by naturalisation, also known as citizenship by application. A foreigner may be granted Swedish citizenship upon meeting certain requirements. Person should be able to prove identity, 18 years of age or older, has a permanent residence permit or
  has a right of residence or residence card (applies to EU citizens or close relatives of EU citizens), meets the requirements for habitual residence and has maintained good conduct while in Sweden.
response: Minimum age should be 18 years and applicant should have permanent residence permit or right of residence.