1-20 of 2006 Search Results for

Population Ratio

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Journal Article
Demography (1972) 9 (3): 443–453.
Published: 01 August 1972
... of the ratiocorrelation method can be understood simply on the basis of the multiple regression theory. That this common notion may sometimes be untenable is demonstrated in this paper. It is pointed out that the ratio-correlation method of subnational population estimation has certain characteristic features that make...
Journal Article
Demography (1977) 14 (3): 285–296.
Published: 01 August 1977
... of bearing their desired number of sons and daughters. Second, the effect of the widespread use of sex-selection techniques on the population sex ratio is explored. It is shown that even if populations have unbiased sex preferences, or sex preferences biased towards daughters, the use of biased sex-selection...
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Published: 03 April 2019
Fig. 1 Ratio of top 10 % income share to population share, 2000 and 2014. AIAN = American Indian or Alaska Native. NHPI = Native Hawaiian or Other Pacific Islander. Source: U.S. Census Race and ethnicity file, Form 1040 data, 2000 and 2014. More
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Published: 03 April 2019
Fig. 2 Ratio of bottom 10 % income share to population share, 2000 and 2014. AIAN = American Indian or Alaska Native. NHPI = Native Hawaiian or Other Pacific Islander. Source: U.S. Census Race and ethnicity file, Form 1040 data, 2000 and 2014. More
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Published: 18 January 2013
Fig. 2 Ratio of males to females by age among the Mexican-born population residing in the United States: 1970, 1990, and 2007. Sex ratios for 1970 and 1990 are tabulated using data from the 1 % Public Use Microdata Sample of the 1970 and 1990 U.S. Census of Housing and Population. The 2007 sex More
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Published: 01 August 2021
Fig. 3 Decompositions of SES gaps in mothers' FTFY employment/population ratios: The observed gap in 2016, and the observed growth in this gap between 1999 and 2016 More
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Published: 01 August 2021
Fig. 2 The rising SES gap in mothers' full-time-employment/population ratios in the twenty-first century More
Journal Article
Demography (1976) 13 (3): 369–379.
Published: 01 August 1976
...William O’Hare Abstract A new method of making population estimates is introduced and contrasted to the standard ratio-correlation method. The new method, called the “difference-correlation method,” produced population estimates for the counties of Michigan which had a smaller mean percentage error...
Journal Article
Demography (1970) 7 (1): 87–91.
Published: 01 February 1970
...Donald E. Pursell Abstracta The ratio correlation method of estimating county population may be improved with the use of dummy variables and stratification to represent county “type.” Unsatisfactory results were derived when the ratio correlation technique was applied to West Virginia counties...
Journal Article
Demography (2010) 47 (3): 579–586.
Published: 01 August 2010
...Lei Jin; Felix Elwert; Jeremy Freese; Nicholas A. Christakis Abstract In human populations, variation in mate availability has been linked to various biological and social outcomes, but the possible effect of mate availability on health or survival has not been studied. Unbalanced sex ratios...
Journal Article
Demography (2021) 58 (4): 1223–1248.
Published: 01 August 2021
...Fig. 3 Decompositions of SES gaps in mothers' FTFY employment/population ratios: The observed gap in 2016, and the observed growth in this gap between 1999 and 2016 ...
FIGURES
Includes: Supplementary data
Journal Article
Demography (1981) 18 (2): 157–172.
Published: 01 May 1981
... rate over the corresponding period. Some forms of registration of Status In- dians go back to the late nineteenth cen- tury. Its consolidauon was achieved around 1900 and we were able to recon- struct a series of child/population ratios for the period dating from that time (see Appendix Table...
Journal Article
Demography (2000) 37 (4): 477–488.
Published: 01 November 2000
..., or excess female mortality throughout the life course as the factors underlying the level of the overall sex ratio; these arguments have not been resolved. Based on population projections that simulate population dynamics, our findings show that small differences in mortality at young ages, persisting over...
Journal Article
Demography (2010) 47 (Suppl 1): S151–S172.
Published: 01 March 2010
... as the population ages. Population aging and the forces leading to it can produce not only frightening declines in support ratios but also very substantial increases in productivity and per capita income by raising investment in physical and human capital. Longer life, lower fertility, and population aging all...
Journal Article
Demography (1967) 4 (2): 876–893.
Published: 01 June 1967
... magnitud de la dependencia, aparecen más pequeñas de lo que suqiereun índice no ponderado que normalmente se usa. Summary The dependency ratio is a measure of the effect which demographic factors exert on standards of living. It is usually defined either as the ratio of the young and the aged population...
Journal Article
Demography (1966) 3 (2): 393–415.
Published: 01 June 1966
...} This formula has been used both with total populations and with aging cohorts. The principal variations of the basic formula have involved the use of life table and census survival ratios as a means of measuring natural increase (B − D), or of estimating “expected” populations assuming no migration. The main...
Journal Article
Demography (1972) 9 (4): 655–664.
Published: 01 November 1972
... tended to have higher migration efficiency than whites. Rapidly growing metropolitan areas had higher migration efficiency ratios than areas growing at a lower rate or losing population. The educational level of a metropolitan area, as measured by the percent of the population 25 years old or over...
Journal Article
Demography (2014) 51 (3): 1019–1040.
Published: 29 March 2014
...Scott J. South; Katherine Trent; Sunita Bose Abstract Although substantial research has explored the causes of India’s excessively masculine population sex ratio, few studies have examined the consequences of this surplus of males. We merge individual-level data from the 2004–2005 India Human...
Journal Article
Demography (2020) 57 (2): 779–797.
Published: 24 March 2020
... need to be chosen from a population that has the same pattern of interstate transfers as the multistate model. In the probability matrix derived from a rate matrix with m -zeros, the cross-product ratios may not all be independent. For example, consider the N = 3 path model that has four rates— m...
Includes: Supplementary data
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...
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