1-20 of 1472 Search Results for

Population Projection

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Demography (1968) 5 (1): 382–409.
Published: 01 March 1968
... demografiá y a la teoría matemática del desarrollo de la población. Summary This article presents an elementary approach to the study of the population projection-matrix, the reverse (or inverse) projection-matrix, the process of population growth generated by the projection-matrix, the “prior” process...
Journal Article
Demography (1966) 3 (1): 259–275.
Published: 01 March 1966
... Demography” (draft, mimeographed); “Matrix Multiplication as a Technique of Population Analysis,” The Milbank Memorial Fund Quarterly , XLII (October, 1964), 68–84; “The Population Projection as a Matrix Operator,” Demography , I (1964), 56–73. 3 E. M. Murphy, “A Generalization of Stable Population...
Journal Article
Demography (1964) 1 (1): 56–73.
Published: 01 March 1964
... de poblicaón. Latent Root Matrix Operator Intrinsic Rate Population Projection Ordinary Method References 1. Leslie, P. H. “On the Use of Matrices in Certain Population Mathematics,” Biometrika , Vol. 33, pp. 184 ff. 2. Bernardelli, Harro. “Population Waves,” Journal...
Journal Article
Demography (2003) 40 (4): 741–757.
Published: 01 November 2003
...Stanley K. Smith; Jeff Tayman Abstract A number of studies have evaluated the accuracy of projections of the size of the total population, but few have considered the accuracy of projections by age group. For many purposes, however, the relevant variable is the population of a particular age group...
Journal Article
Demography (1968) 5 (1): 185–197.
Published: 01 March 1968
... mortalidad, e invesamente con edad de fertilidad media programada en proyecciones de mediano termino. Summary The significance in patterns of mortality for projections of population have been examined by projecting test stable populations classified by sex and age with constant fertility and declining...
Journal Article
Demography (1965) 2 (1): 134–139.
Published: 01 March 1965
... división se mantendrá sin cambios . La teoria de las cadenas de Markov es útil en el estudio de la movilidad geográfica a largo plazo; sin embargo, se hacen necesarias algunas modijicaciones específicas. White Population Population Projection South Central Geographic Mobility Census Division...
Journal Article
Demography (1969) 6 (2): 101–115.
Published: 01 May 1969
... of parity and birth interval into the projection method may improve projections. 8 1 2011 © Population Association of America 1969 1969 Family Size Total Fertility Rate Current Population Survey Population Projection Spacing Pattern References Akers Donald S. ( 1965...
Journal Article
Demography (1971) 8 (4): 441–450.
Published: 01 November 1971
...Tore Schweder Abstract A population projection is a prediction of a random vector variable X T . which represents the size and age/sex distribution of the population in year T . The population is assumed to be closed and to develop according to fixed and known schedules of birth and death...
Journal Article
Demography (1972) 9 (1): 51–68.
Published: 01 February 1972
...Jacob S. Siegel Abstract The history of the official U. S. projections of population and house-holds in recent decades is briefly reviewed, with particular attention to methodology and the relation of the methodology to the accuracy of the projections. The introduction of the cohort-component...
Journal Article
Demography (1986) 23 (1): 127–135.
Published: 01 February 1986
... on several different measures of migration and the base population. The choice of the appropriate base population has received little attention from demographic researchers, but can have a tremendous impact on population projections. In this article, I develop three different models for projecting migration...
Journal Article
Demography (1990) 27 (4): 639–652.
Published: 01 November 1990
...Dennis A. Ahlburg; James W. Vaupel Abstract The U. S. Bureau of the Census recently released a set of population projections that include middle and high projections that we argue are too conservative. The projections discount the possibility of future baby booms and assume slow rates of mortality...
Image
Published: 31 July 2017
Fig. 2 Population projected for China based on its own fertility and counterfactual fertility scenarios: 1970, 2015, and 2060 (numbers in millions). Data are projections from Table 2 . The nightmare scenario was projected by Song and Li ( 1980 ) More
Journal Article
Demography (2013) 50 (3): 777–801.
Published: 15 March 2013
... of probabilistic population projections for all countries, which is currently being considered by the United Nations. To evaluate the method, we conducted an out-of-sample cross-validation experiment, fitting the model to the data from 1950–1995 and using the estimated model to forecast for the subsequent 10 years...
FIGURES | View All (8)
Includes: Supplementary data
Image
Published: 31 July 2017
Fig. 4 Projected population by age and sex for China and for the averted populations (under the 16-country comparator) due to “later, longer, fewer” (1970–1979) and one-child restrictions (1980–2015): 1980, 2020, and 2060 More
Image
Published: 27 September 2011
Fig. 2 Projections of the female populations of Indonesia and Japan, 2005–2105 More
Image
Published: 26 February 2013
Fig. 2 Projected age and sex composition of the U.S. population: 2050 (in millions). Source: U.S. Census Bureau ( 2012a ) More
Image
Published: 18 October 2011
Fig. 10 Estimated and projected urban and rural population in billions, world, 1950–2050. Data are from United Nations Population Division ( 2009 , 2011 ) More
Image
Published: 26 February 2013
Fig. 1 Projected racial composition of the U.S. population, 2010–2050. Source: U.S. Census Bureau ( 2012a ) More
Journal Article
Demography (2015) 52 (1): 183–208.
Published: 21 January 2015
... and education, and changing propensities that allow for greater educational homogamy and reduced educational asymmetries—to future population projections. Future population prospects for India indicate three trends that will impact marriage patterns: (1) female deficit in sex ratios at birth; (2) declining...
FIGURES | View All (5)
Journal Article
Demography (1974) 11 (2): 215–225.
Published: 01 May 1974
...David J. Loschky; William C. Wilcox Abstract Transition Theory provides the theoretical underpinning for many explanations for past population changes and, more importantly, for many population projections. Our paper proves, through the use of symbolic logic, that Transition Theory does not contain...