National Community Child Health Database (NCCHD)

Data Providing Organisation:
NHS Wales’ Informatics Service (NWIS)

Data Providing Type:
Administrative (mandatory) data return



The Child Health System in Wales; includes birth registration and monitoring of child health examinations and immunisations.

Data Collection Method

The dataset brings together data from local Child Health System databases which are held by NHS Trusts and used by them to administer child immunisation and health surveillance programmes.

Data Highlights

The dataset contains all children born, resident or treated in Wales and born after 1987.

Access Requirements

As a core SAIL dataset available in accordance with our standard Information Governance procedure.


Approx. 35,000 births per year. Approx. 500,000 vaccinations per year

Data Level

Individual person

Data Years

1987 – Present

SAIL Schema