Sweden - Passport & Nationality - Swedish Citizenship through Adoption
The child has been adopted as the result of a decision taken in or in another Nordic Council country.
The child has been adopted as the result of a decision taken abroad and approved in Sweden by the Swedish Intercountry Adoptions Authority
the adoption is valid under Swedish law.
The adoption must have been officially decided or approved after 30 June 1992.
A child aged 12 or more at the time of adoption may acquire Swedish citizenship by application.