人口老龄化(population aging)是一个国家或地区年龄中值(median age)上升时出现的现象。其原因可能是人口寿命(life expectancy)的延长和/或出生率的下降。在不久的将来,亚洲和欧洲两个地区将有相当的国家面临人口老龄化问题。人口老龄化对经济造成的影响是相当大的。老年人比年轻人拥有更多的人均积蓄,但老年人在商品...
poor world, life expectancy was around 30 years in all regions of the world. In the early 19th century, life expectancy started to increase in the early industrialized countries while it stayed low in the rest of the world. This lead to a very high inequality in how health ...
Life expectancy at birth is defined as how long, on average, a newborn can expect to live if current death rates do not change. The life expectancy in the United States, before COVID, was 78.7 years, and the current life expectancy for World in 2021 is 72.81 years, a 0.24% increase ...
In bookish language life expectancy is considered to be the statistical measure of the average time an organism is expected to live, based on the year of their birth, their current age and other demographic factors including sex while in the simple language we may term it as the expected ...
1.Life expectancy of residents in Qidong,China,1975-2004;启东市居民30年预期寿命分析 2.This paper used the life expectancy to reflect health status of residents and applies coefficient of variation,rate of extreme gap and Theil index to analyse the regional differences of health of the inhabitants...
One prominent reform is the increase of the legal retirement age. Some countries have gone even further by linking/indexing the legal retirement age to the life-expectancy (see chapter 2.2.3 and 5. in this book). The chapter at hand tries to answer the following two questions on this ...
1For instance,the current age limit was set in the early 1950s ___ China's life expectancy(预期寿命)was lower than 50 years old. 2For instance, the current age limit was set in the early 1950s ___ China's life expectancy(预期寿命)was lower than 50 years old. (用适当的词填空)...
Death is a fundamental question. In reality, death is much closer to us than the statistics we read about it. Death is happening inside us all the time, at the organ and cellular level. A doctor can tell your age by looking at your insides. In fact, death is happening inside us befor...
However, there are still around 30,000 patients with advanced schistosomiasis in the country [13], and few studies have investigated their current lifespan and change in life expectancy (LE). As an important summary measure of mortality, LE reflects the health conditions of all age groups and ...
BERLIN, June 20 (Xinhua) -- Germany's central bank on Monday recommended linking the retirement age to life expectancy in order to stabilize the country's statutory pension system in the long term. "The coupling noticeably dampens the pressure on the contribution rate and the federal government...