Demographers study a variety of parameters related with population. They develop, based on their observations, statistical analyses on the evolutions and changes of births, elderly, marriage and divorce, employment, mortality, immigration and related matters.

Tasks

Tasks include -
(a) Studying, improving and developing mathematical, actuarial and statistical theories and techniques;
(b) Advising on or applying mathematical principles, models and techniques to a wide range of tasks in the fields of engineering, natural, social or life sciences;
(c) Conducting logical analyses of management problems, especially in terms of input-output effectiveness, and formulating mathematical models of each problem usually for programmeming and solution by computer;
(c) Designing and putting into operation pension schemes and life, health, social and other types of insurance systems;
(e) Applying mathematics, statistics, probability and risk theory to assess potential financial impacts of future events;
(f) Planning and organizing surveys and other statistical collections, and designing questionnaires;
(g) Evaluating, processing, analysing, and interpreting statistical data and preparing them for publication;
(h) Advising on or applying various data collection methods and statistical methods and techniques, and determining reliability of findings, especially in such fields as business or medicine as well as in other areas of natural, social or life sciences;
(i) Preparing scientific papers and reports;
(j) Supervising the work of mathematical, actuarial and statistical assistants and statistical clerks.