Overview Document The Constitution can only be amended if a majority of eligible voters have voted for the proposed amendment in a constitutional referendum. A second type of referendum can be held to vote on a Bill of national importance.

Constitutional referendum
This document outlines how a constitutional referendum works in Ireland.

Ordinary referendum
An ordinary referendum is one that does not relate to amending the Constitution. Find out why an ordinary referendum would be held.

Referendum Commission
In general, whenever a referendum is to be held, a Referendum Commission is set up to give the public accurate and unbiased information about it.

Voting in a referendum
Who can vote in a referendum in Ireland, where do you cast your vote and how do you cast your vote?

Referendum result in Ireland
Information on how the results of a referendum are determined.