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Sustainable Society:  A society that balances the environment, other life forms, and human interactions over an indefinite time period.

World Vital Events Per Time Unit: 2004*

 (Figures may not add to totals due to rounding)
-------------------------------------------------
                                          Natural
Time unit       Births      Deaths       increase
-------------------------------------------------
Year       129,108,390   56,540,896    72,567,494 
Month       10,759,033    4,711,741     6,047,291 
Day            352,755      154,483       198,272 
Hour            14,698        6,437         8,261 
Minute             245          107           138 
Second             4.1          1.8           2.3 
-------------------------------------------------
Source: U.S. Bureau of the Census, International Data Base

Note: Data updated 4-30-2004

Release Notes (See at < http://www.census.gov/ipc/www/popwnote.html >).

The world population estimates and projections used to produce these figures were developed by the International Programs Center based on analysis of available data on population, fertility, mortality, and migration. The analysis is performed separately for the 227 countries or areas of the world with a population of 5,000 or more. These analyses are based on census, survey, and administrative information. For most countries, and especially less developed countries, adjustment of the data is necessary to correct for errors, omissions, and inconsistencies in the data . Since the most recent data for each country are at least two years old (and for most countries they are older), the population figures used for the clock are projections from those estimates based on assumed trends in fertility, mortality, and migration. As new data become available, all data are reevaluated and past conclusions may change. For general information about how these estimates and projections are made, see Appendix B of the report Global Population Profile: 2002. These estimates and projections are contained in the International Data Base.

The World midyear population and vital event estimates result from an aggregation of the figures for the individual countries and areas. The intermediate population estimates are based on a linear interpolation between successive midyear population figures. World vital events for different units of time are computed based on the number of months, days, hours, minutes, or seconds in the given year.

Figures may not add to totals due to rounding.

Note: Starting 4-6-98 the calculations are being done assuming the midyear populations apply to 00:00 GMT on July 1 of the given year.
____
* U.S. Bureau of the Census
See original at < http://www.census.gov/cgi-bin/ipc/pcwe >.

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