These are used for electoral purposes and demographic surveys.

This is done through major national and demographic surveys and with population censuses.

The campaign is based on the results of a demographic survey conducted by Ziccardi among consumers in the affluent and luxury markets.

Each completed game, preceded by a short demographic survey, helps the program improve its knowledge base.

It might later have been possible to chart the progress of the witches across the continent by some sort of demographic survey.

The women, ages 15 to 49, were interviewed in a demographic and health survey partly financed by the American government.

He did not have the advantage of a modern sales technique - the demographic survey of a marketing area.

IN April 1988, the authority reported the results of a demographic survey of the 3,200 residents living there at the time.

Annual demographic surveys generally do not have a large enough reservation-based sample to present data.

At the same time, a demographic survey is conducted regarding the most popular singers for each and what kind of music people want to hear.