Assertion: census | /r/ObjectUse | used as direct source of information
Facets:
value: in countries
type: LOCATION
Source sentences:
text: In countries in which the vital registration system may be incomplete, the censuses are also used as a direct source of information about fertility and mortality; for example the censuses of the People's Republic of China gather information on births and deaths that occurred in the 18 months immediately preceding the census.