In statistics, a population is the group on which information is being gathered and analyzed. A sample is a representative selection of the population.

Passaic, N.J.: 22,424 persons/sq. mile The following table lists population densities for U.S. cities with populations of at least 50,000 as of 2016: ... Source: U.S. Census Bureau Data Definitions ...

Unstable federal funding puts at risk the government statistics used to track the U.S. economy and population, officials and data users warn. That's before any cuts by President Trump and Congress.

William Seltzer, Population Statistics, the Holocaust, and the Nuremberg Trials, Population and Development Review, Vol. 24, No. 3 (Sep., 1998), pp. 511-552 ...