World Health
Organization

Welcome to
CoDQL
Cause of Death Query online

A web-based system for extracting trend series
detailed cause-of-death data

The WHO Mortality Data Base contains mortality data by country, year, cause of death, age and sex, submitted to the WHO by its Member States on an annual basis from 1950 to date. Because of the amount of information it contains, extracting some data is not a simple task for users without adequate data base management skills. For that reason, CoDQL has been put on-line to allow users to extract the data needed for their purposes in an easy and fast manner.

CoDQL allows flexible and user-friendly access to the mortality data at the detailed character ICD code level when available. It supplements the WHO Mortality Database on-line version http://apps.who.int/healthinfo/statistics/mortality/whodpms/ which provides mortality data only for predefined, aggregated causes of death.

The cause of death may be selected using one of the following coding systems: