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

Population: Estimate current as of July 1, 2016; Source: U.S. Census Bureau, Population Division Land Area: Total land area as of 2010 Population Density By City Map ...

Chinese population statistics are collated from the time of the Western Han Dynasty (A.D. 2) to 1953, including statistics of population and households for provinces as well as for China as a whole.

ROME (Reuters) - Italy's population will shrink by 5 million within 30 years unless decisive steps are taken to increase the number of births, the head of the country's statistics institute ISTAT ...