Referendum

How the Referendum Turnout Threshold Works

A referendum requires participation above 50%, and the “Yes” option must prevail in at least two thirds of the regions. Final turnout on March 15, 2026 was 73.12%, so the participation threshold was met. A repeat referendum cannot be held for at least one year.

Why turnout matters

A referendum is not simply a contest among those who happened to vote. Because it concerns the whole country, participation itself becomes part of the legitimacy of the result.

That is why a minimum turnout requirement is important. It helps to:

How the threshold works

If the legally required level of turnout is not reached, then:

Why this is especially important for constitutional questions

Constitutional questions should not normally be decided by a tiny and accidental portion of the electorate. A turnout requirement helps ensure that a constitutional decision is backed by broad civic participation.

Is turnout alone enough

No. Usually, two elements matter:

  1. A sufficient number of voters must participate.
  2. A sufficient majority must support one option.

So both participation and support matter.

Historical and final figures

Practical meaning

A turnout threshold encourages citizens not to treat participation as irrelevant. In a referendum, choosing not to participate can affect whether the entire process reaches legal effectiveness.

Key facts