Both countries are members of the European Union, Council of Europe and NATO.

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

Croatian president Zoran Milanović stated that his country should block ratification of Sweden's NATO accession until electoral reform measures are implemented in neighbouring Bosnia and Herzegovina, though the Foreign Minister expressed the government's support for any application.

[1] In July 2022, Croatia have fully ratified Sweden's NATO membership application.

Croatian parliament voted nearly unanimously in support of Sweden's accession into the alliance.