It will be seen in those chapters, that the age and sex structure of the population has a direct impact on many of these (socio-)economic variables. Fertility and mortality influence these variables only indirectly, through their impact on the population age and sex structure. The present ...
Reproduction in the parma wallaby, Macropus parma Waterhouse Female M. parma in captivity reach sexual maturity at 11 1/2-16 months of age. Scrota1 size indicates that sexual maturity is attained in males at about 22 months. One male had spermatozoa at 19-20 months and another had a first...
amontres du monde. 世界的手表。[translate] aSoon after World War II 在第二次世界大战以后[translate] aThe age-sex structure of the population is shown by a population pyramid. 人口的年龄性结构由人口年龄金字塔显示。[translate]
The immigrants' age structure and labour market situation are major determinants for their net contribution to the public sector. During the 50s, 60s and t... J Ekberg - 《Journal of Population Economics》 被引量: 179发表: 1999年 Immigration, emigration and the ageing of the overseas-born p...
1. In recent decades, the Chinese family has changed significantly from the perspective of the population structure, which is characterised by an aging population, low birth rate, and small average...
Population growth in Indonesia 2023 Fertility rate in Indonesia 2022 Crude birth rate in Indonesia 2012-2022 Life expectancy at birth in Indonesia 2022 Life expectancy at birth in Indonesia 2022, by gender Median age of the population in Indonesia 2020 Age structure in Indonesia 2023Further...
The regional implications of different immigration rates are evaluated also. Simulations are carried out to determine how much immigration would be required to stabilize the future rate of growth 展开 关键词: immigration labour force population age structure simulation growth ...
Feshbach, M. (1985), The Age Structure of Soviet Population: Preliminary Analysis of Unpublished Data, Soviet Economy, vol.1, no.2, pp.177-193.The Age Structure of Soviet Population : Preliminar y Analysis of Unpublished Data ." Soviet Economy 1 (2) : 177-193 ....
A Cointegration Analysis of the Impact of the Age Structure of the Population on the Household Saving Rate in Japan This paper analyzes the impact of the age structure of the population on Japan's household saving rate by applying cointegration techniques to time-series data for the 1955鈥 1993...
population,age structure of 指一定时点、一定地区各年龄组人口在全体人口中的比重。又称人口年龄构成。通常用百分比表示。人口年龄结构是过去几十年、甚至上百年自然增长和人口迁移变动综合作用的结果,又是今后人口再生产变动的基础和起点。它不仅对未来人口发展的类型、速度和趋势有重大影响,而且对今后的社会经济发展也...