Introduction to the 2001 Census in Northern Ireland, including information on the design, definitions and questionnaires.

This section includes information relating to the background of the 2001 Census.

Methodology documents

Overview of the 2001 Census process with links to further information.


Sample copies of the questionnaires used in the 2001 Census.


Definitions of terms and phrases used in products and statistical outputs from the 2001 Census.