Rural/Urban Projection (RUP) Program
Rural/Urban Projection (RUP) is a computer program for performing cohort component
projections on one or two areas.
The cohort component method projects each age and sex cohort over time based on
the components of growth. Annual births create new cohorts, while existing cohorts
are decreased by mortality and either increased or decreased by migration.
The RUP program has features that allow a considerable amount of flexibility for
specifying fertility, mortality, and migration. As a result, RUP can be used to
produce estimates for years where data on the components are available followed by
projections into the future. RUP also includes a wealth of output options that allow
a detailed examination of the results. These features are described below.
- The projection is performed by single years of age.
- The projection is performed year by year.
- Input data for the population and components can be provided in either single
ages or 5-year age groups.
- The open-ended age group in your input data can vary between 50 years and over
and 100 years and over.
- The program accepts mortality and fertility rates as input (as do most programs),
but it also allows the input of numbers of births, deaths, and/or migrants.
- You can provide input data for any year, including years prior to or following
the projection period. Data inputs for years outside the projection period are used
to interpolate estimates for years during the projection and/or as patterns of the
age structure of the particular component.
- The program provides output of a wide variety of demographic measures for any
specified year of the projection. These outputs include:
- Population by sex and age (single years, 5-year age groups, special groups)
and summary measures of age (e.g., percentages, sex ratios, median ages,
dependency ratios).
- Summary vital rates (e.g., crude rates, life expectancy, infant mortality
rates, and total fertility rates).
- Life tables.
- Net numbers of migrants or migration rates by age and sex.
- Number of deaths, by age and sex.
- Number of births, by age of mother, and age-specific fertility rates.
- You can make the projection for one or two areas. If two areas are projected,
the program can calculate a third area as the sum of the two areas
(e.g., total = rural + urban) or the difference (e.g., urban = total - rural).
The RUPMENU program allows the user to create RUP input files, run the
projection, and print, view, or save the output in various formats. We are working
on an Excel-based interface, and hope to make a preliminary version available in the
near future.
RUPAGG is a companion program to RUP that allows the aggregation of up
to 300 RUP projection results (e.g. summing up the provinces in a country to the
national total).
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For more information about RUP contact:
Peter Johnson
International Programs Center
U.S. Bureau of the Census
Washington, D.C. 20233-8860
Email: peterj@census.gov
Phone (301) 763-1410
Fax (301) 457-3034
Last Revised: 16 Sep 2003 08:33:21 EDT
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