人口预测英文

The change of population is affected by different factors,therefore,it is very complicated to predict and control the population.It is difficullt to comprehense everything in one model considering various factors.In order to forecast the population in the future,the most important factor which may affect the populstion is the population this year the growth rate of each year afterwards.It is very easy to forecast the population according to thess two datas.

1.人口老龄化问题正困扰着中国。2.人口老龄化带来的问题。3.应采取怎样的措施，谈谈自己的观点。Directions: For this part, you are allowed 40 minutes to write a composition on the topic Aging of Population in China. You may refer to the chart below if necessary. You should write about 200 words and base your composition on the out-line (given in Chinese) below。Aging of Population in ChinaTrend of Population in ChinaPeriodPopulation aged 60 and aboveProportion of total population199020032020205097.19 million136 million230 million410 million8.8%10.2%15.6%27.4%Many countries will experience aging populations in the next century because of declining birth and mortality rates. China will soon join their ranks. According to statistics, the aging of China's population will approach its peak by the middle of the next century, with the percentage of the people aged beyond 60 making up 27.4 percent of the total. That means one out of every four people will be elderly.As for the issue of aging, its situation has been growing increasingly severe in spite of the fact most people are still ignorant of the problems it brings about. Firstly, with families becoming smaller and living pace escalating, it is even graver for families to care for aged members adequately. Secondly, aging causes a relative decline in working force in that fewer people have to support the increasing aged people. Consequently, the productivity of the whole society is affected to some extent. Thirdly and most importantly, the aging of population in China resulted from the successful implementation of family planning has not been synchronized with national economic progress.The rapidity of the population's aging has made it more urgent for the adoption of countermeasures. No doubt they key is to builda solid economic foundation. Meanwhile, importance shall be attached to overall social progress by changing the backward situation in social security, welfare and service. What's more, family care and community services shall also be encouraged.