Swedish police is required to control all persons crossing over an external border, meaning to and from countries who are not part of the Schengen area. Border controls at external border are mandatory.
Entry and exit regulations differ depending on your citizenship, which country you travel to or from, and your length of stay.
Information about entry to Sweden for EU/EEA citizens
Information about entry to Sweden for third country nationals
Att resa till Sverige (in Swedish)
Control of goods
Swedish Police is responsible for controlling persons crossing a Swedish border. Swedish Customs is responsible for controlling goods being imported or exported across a Swedish border, and their controls are done independently from border controls by Swedish Police.
Swedish Customs can answer questions about their controls