China's strict family-planning policy of limiting parents to one child has made its population growth rate one of the lowest in the developing 中国严格计划生育把父母限制在一孩子的政策， 使中国的人口增长率成为最低在这个发展中的世界。Education on birth control is mainly targeted at young married China makes abortion readily available as the government is intensely worried that the population may grow too fast。 More than 13 million abortions at registered clinics every year and nearly half the women who have abortions do not use any form of birth 教育节育主要是针对年轻夫妇。当政府强烈担心人口可能增长得太迅速时，中国使堕胎容易可提供。每年在被记录的门诊部的超过1300万次堕胎 而且将近一半的妇女拥有堕胎不使用任何形式的控制生育。They emphasized the virtues of late marriage which did lower the birth 他们强调了晚婚姻的美德， 这也降低出生率。If a couple is composed of two people without siblings， then they may have two children of their own， thus preventing too dramatic of a population 如果一对夫妇没有兄弟姐妹， 那么，他们可以有二孩子，因此防止也戏剧性的人口减少。In 2050-2070， there will be so many old people for the society to support， but there are so few work force at that To solve this problem， to increase the birth rate is a At the same time， people who are not qualified to have the second child still need to follow the one child Violation will subject to fine of 2 times of annual household income， and other 在2050-2070年，将会有很多老人需要社会的帮助，但是在那时会有很少的劳工。解决这个问题，增加出生率是选择。上海是在第一个公开鼓励是在有第2 个孩子但是是在一对夫妇没有兄弟姐妹的情况下。同时，没有合格有第二个孩子仍然需要跟随这一个孩子的政策。破坏将以罚款为条件2 倍的每年家庭收入，以及其他处罚。
Look at your watch for just one During that time，The popuiation of the world increased by Perhaps you think that is Hoever，during the next hour，over15540 more babies will be born on the So it goes on，hour after In oneday，people have to produce food fover 370000 more Multiply this justthink how many more there will be in one year!What will happen in a hundred years? The increasing population may be the greatest challenge of the world The world's population is growing faster and Two thousang years ago，there only 250millon people on the At the beining of the20thcentury，the world'spopulation was about In 1990，it reached more than five Now at the beininjg of the 21stcentthe world's population has passed six people say that by the yeay 2010it may be seven That means in about 600 years，there will br standing room only on the Each person will have one half to one square metre of space to live There will be hardly enough space ror angbody It has been estimated that a thousand years ago there were less than 400 million people on However， in the recent thousand years human population has increased nearly 20 Nowadays the world population has reached more than 7000 The population explosion has caused many Generally， they come down to four major First， a lot of people can't get employment， which is a universal problem in the Second， in developing countries there are not enough shelters for too many people and so people are not properly housed and even are exposed to the Third， in underdeveloped countries a lot of people suffer from hunger because of food shortage， which in turn causes many other problems， malnutrition， disease， Fourth， there are not enough schools for so many people and so a lot of people are Therefore， to eliminate these problems， human beings should take effective measures to control
Moves towards old age and developed country population old agedevelopment while the world population， the Chinese population old agealso is The population old age production， is preciselythe society progresses， the economical development The Chinesepopulation transforms was generally considered the beginningestablishes new China， at first was the mortality rate obviously andrapidly But the nationwide fertility rate transfers 变则 thebeginning to 20th century 70's initial period country birth controlpolicy involvement， and rapidly changes the low fertility rate levelby the high fertility rate Thus， the population old age hascaused the question which the labor force population burdenunceasingly increases， has affected our country social economydevelopment， and to corresponding material and the spiritual variousaspects and so on infrastructure， legal system construction set thenew Had issued in view of this situation nation old age committee "theChinese Old age Enterprise Develops" 十15 "Plan"， proposed "十15"period， China is caring for the aged the safeguard， the medicalsafeguard， the social rescue and so on， as well as the old ageenterprise infrastructure construction， the old age industry， aspectand so on old age spirit culture life must realize goal and Wealready must correctly understand the Chinese population old ageformation reason， the basic characteristic， the development tendencyas well as possibly produce the social economy consequence， needs toclarify the population old age to the social economy movement and thesustainable development Only this， can enhancepolicy-making the scientific nature and the feasibility， solves thegood population old age problem， for implements the sustainabledevelopmental strategy creation advantageous population Through to the population old age scientific connotation limits， isclear about the our country population old age Through topopulation old age evolution process research， key elaboration ourcountry population old age characteristic and its to economy， societyand family and so on various aspects influence， thus solves owninsufficiency， proposes the solution population old age questioncorresponding countermeasure 关键词：Key word: Population old age population burden old age social securitysustainable development
