例如,“The population density of Tokyo is very high.”(东京的人口密度非常高。) Population growth:人口增长,指人口数量的增加。例如,“The population growth rate in developing countries is usually higher than in developed countries.”(发展中国家的人口增长率通常高于发...
At this stage the population pyramid is broad at the base but since the mortality rate is high across all ages—and the risk of death is particularly high for children—the pyramid gets much narrower towards the top. • Stage 2: mortality falls but birth rates still high. In the second...
Stationary Pyramids: These pyramids showcase an evenly distributed population across age groups, often found in newly-developed countries which have stable birth and mortality rates. Each population pyramid is essentially a visual snapshot of a nation’s current demographic breakdown, shaped by fluctuati...
Define population at risk. population at risk synonyms, population at risk pronunciation, population at risk translation, English dictionary definition of population at risk. n. 1. a. All of the people inhabiting a specified area. b. The total number of
population pyramid vital rates age distribution mortality (Show more) See all related content population, inhumanbiology, thewhole numberof inhabitants occupying an area (such as acountryor the world) and continually being modified by increases (births andimmigrations) and losses (deathsand emigrations...
In terms of demographic developments, the birth control efforts of the Chinese government had considerable effects on the demographic pyramid in China. Upon closer examination of the age distribution, a clear trend of an aging population becomes visible. In order to curb the negative effects of an...
A population pyramid that displays a population percentage of ages 1–14 under 30% and ages 75 and above over 6% is considered an "aging population" (that of which generally occurs in developed countries with adequate health services, e.g. Australia) Information on the percentage of ...
He said that the coastal developed areas in some times and regions appeared partial lack of labor phenomenon, this may also be another manifestation of this problem. The new problems of population development and change are confronted by all provinces, municipalities and autonomous regions in China,...
(2) The distribution for primary production stage, the industrialization stage and developed economy stage in SREZ countries shows a structural transform from "Pyramid" into "spindle" during 1990-2013.(3) Imbalanced development exists in SREZ, as East Asia and Europe's economic growth is ...
age pyramid A graph of the number (or percentage) of people in a population distributed by age and sex, in which the ages are represented by bars stacked horizontally. age and sex structure The distribution of a population according to age and sex. cohort data Data referring to people who ...