It’s a simple premise: To truly improve the health, safety, and security of human beings, you must first understand where those individuals are. Everything else — how many people may be in danger from ...

Population health has been defined as “the health outcomes of a group of individuals, including the distribution of such outcomes within the group.” Measuring population health and its distribution ...

Bill McBride at Calculated Risk provides the interesting animated chart above of America’s population distribution by age from 1900 through 2060 (updates every few seconds in five-year intervals), ...

A new study of population trends among 46 ecologically diverse bird species in North America overturns a long-held assumption that the climate conditions occupied by a species do not change over time.

The U.S. population is spread out among 3.8 million square miles across 50 states, yet nearly one-third of Americans live in just three states: California, Texas and New York. New York City alone has ...

Journal of the Royal Statistical Society. Series C (Applied Statistics), Vol. 54, No. 4 (2005), pp. 721-737 (17 pages) The paper discusses the estimation of an unknown population size n. Suppose that ...