Introduction

The CSO Standard Sex Classification (TXT 1KB)   is a classification of sex based on the biological difference between male and female. This classification was approved by the CSO Classifications Board on June 12th, 2002.

Classification

This is a flat classification containing three categories, each with a 1-digit code.

Further Information

Further information on this classification may be obtained from:

Classifications and Standards Section
Central Statistics Office
Cork
e-mail:classifications@cso.ie