Population count may refer to:
- A census, the process of obtaining information about every member of a population (not necessarily a human population)
- Hamming weight, the number of non-zero entries ('1' bits) in a byte, string, word, array or other similar data structure
Famous quotes containing the words population and/or count:
“We in the West do not refrain from childbirth because we are concerned about the population explosion or because we feel we cannot afford children, but because we do not like children.”
—Germaine Greer (b. 1939)
“Death can only be profitable: there’s no need to eat, drink, pay taxes, offend people, and since a person lies in a grave for hundreds or thousands of years, if you count it up the profit turns out to be enormous.”
—Anton Pavlovich Chekhov (1860–1904)