Census
A census was a statistical accounting of all the inhabitants of a region. They could be invaluable sources of information when performing genealogical research. ()

In 2267, James T. Kirk was taken aback by the apparent lack of life in the Malurian system, given that the last census had reported more than four billion inhabitants. ()

In 2367,  provided the Ventaxians with guidelines for a full census of their population. ()

While researching her ancestor Shannon O'Donnel, Kathryn Janeway preferred such "raw material" sources as censuses to various histories of 21st century Earth, as she found these histories to all be biased. ()

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Social sciences