Both countries are full members of the United Nations, European Union, NATO, Organization for Security and Co-operation in Europe and Council of Europe.

Portugal strongly supported Sweden's NATO membership during the latter's accession process.

In May 2022, the Portuguese government announced that they would fully support Sweden's NATO membership.

[1] In October 2022, Portugal fully ratified Sweden's NATO membership application.

[2] This article about bilateral relations is a stub.