The Central Intelligence Agency (CIA) is an independent US
Government agency responsible for providing national security
intelligence to senior US policymakers.
This entry gives the average annual number of births during a year per 1,000 persons in the population at midyear; also known as crude birth rate. The birth rate is usually the dominant factor in determining the rate of population growth. It depends on both the level of fertility and the age structure of the population.
The online Factbook is updated weekly. ISSN 1553-8133
For additional information on government leaders in selected foreign countries, go to World Leaders.