For the complete documentation index, see llms.txt.

Skip to main content

CountriesSwitzerlandBlocs & alliances

Updated Jun 10, 2026

Which blocs and alliances does Switzerland belong to?

Every diplomatic bloc and alliance Switzerland belongs to — and the allies, rivals, and neighbors that shape its votes.

Bloc memberships

OECD

Organisation for Economic Co-operation and Development — 38 high-income democracies.

Allies, rivals & neighbours

Allies

Organisation memberships

Memberships

Organizations

4

UNUNmember · 2002

EEfounding-member · 1960

OSCEOSCEmember

CoECoEmember · 1963

Back to Switzerland profile

Explore more on Switzerland

Treaties Background