Citizenship is a legally binding undertaking between a state and an individual (citizen) that commences either automatically at birth or through an application or notification process.
Only Swedish citizens are allowed to carry Swedish passports. A Swedish citizen has the unconditional right to live and stay in Sweden.
One can become a Swedish citizen through:
Child passport applicants who were born abroad and have never previously had a Swedish passport must first be added to the Swedish population registry by applying for a Swedish coordination number (ID number).
Detailed information about all laws and regulations is available at the Swedish Migration Agency website.