Economic Census - Puerto Rico data are not comparable to U.S. Economic Census data Value Flags - Either no or too few sample observations were available to compute an estimate, or a ratio of medians cannot be calculated because one or both of the median estimates falls in the lowest or upper interval of an open ended distribution. 1 day ago · The U.S. Census Bureau is the leading source of statistical information about the nation’s people. Our population statistics come from decennial censuses, which count the entire U.S. population every ten years, along with several other surveys.

Definitions: Population by child and adult categories. Data presented for through are Vintage population estimates. Each year the U.S. Census Bureau revises their post estimates. Therefore, data presented here may differ from previously published estimates. Definition: population ages divided by the population ages Formula: ([Population ages ] ÷ [Population ages ]) × Elderly dependency ratio Definition: population ages plus divided by the population ages Formula: ([Population ages plus] ÷ [Population ages ]) × Total dependency ratio.

World Urban Population Currently, % of the population of the World is urban (4,,, people in ). (2) Census reports and other statistical publications from national statistical offices, (3) Eurostat: Demographic Statistics, (4) United Nations Statistical Division. Population and Vital Statistics Reprot (various years), (5) U.S. Census Bureau: International Database, and (6) Secretariat of the Pacific Community: Statistics and.