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Participating States

Close-up shot of the OSCE participating States' flags.

Starting with 35 participating States from East and West in the early days of the CSCE, the OSCE has grown to today’s network of 57 participating States, spanning much of the globe’s northern hemisphere and encompassing three continents, North America, Europe and Asia. The OSCE region is home to more than a billion people.

Close-up shot of the OSCE participating States' flags.

Credentials

Heads of Delegations of participating States presenting their credentials to the OSCE

Key resource

The Helsinki Final Act 1975 is considered to be the Organization’s founding document.