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 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 Agency website.
Migration Agency will inform you when you have a decision in your case by sending an e-mail. If you gave power of attorney to your relative in Sweden, he/she will be informed about the decision too.
If you are granted a residence permit, you will receive a residence permit card. This card is proof that you have a residence permit.
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.
The person who lives in Sweden must be able to support his/her family members in order for them to be granted a residence permit. Detailed information is available on Migration Agency's website.