If you wish to move to Sweden to live with a close relative, you need a residence permit. It must be ready before you enter Sweden. Other rules apply to citizens of an EU/EEA country other than Sweden.
Close relatives are defined as:
It is recommended that you make an electronical application through the Swedish Migration Agency website. It is the Swedish Migration Agency that considers your right to a residence permit. For a full description of what rules apply, please check the Swedish Migration Board website.
You will be informed of the decision in your case by your relative in Sweden, if you have authorised him/her to represent you. Otherwise you will be informed of the decision by the Swedish embassy/consulate.
If you are granted a residence permit, you will receive a residence permit card. This card is proof that you have a residence permit. Read more under ‘How to apply’ to find out how you arrange for the card.
Briefly, the following applies if you wish to move to Sweden to live with a relative, if you and/or your relative are citizens of the EU/EEA and if you intend to stay for longer than three months. It is important to note that Swedish citizens are not normally considered as EU citizens in this context.
Read more about the rules for EU/EEA citizens and about who is counted as a family member on the Swedish Migration Agency website.
As of 20 July 2016, a temporary act limits the possibility for close relatives of persons in need of protection with temporary residence permits to immigrate to Sweden. More detailed information about these regulations is available on the Swedish Migration Agency website.
Moreover, the general rule is that anyone living in Sweden should be able to support themselves and their family members who may be granted residence permits. The maintenance requirement will not apply, under certain conditions, to those who have been granted residence permits in Sweden as persons in need of protection. One important requirement is that close relatives must apply for residence permits within three months of the date on which the person in need of protection was granted a residence permit.
You find the application fees here.