Residing in a certain area or a group to total number of people within
Living in a certain geographical area or a collective number of people inside. "Han Wang Mang passing on": "Qiang Hao and other kinds of good willing, the population may be thousand of people." Song Yuefei "Notes on Article painting event Merger Sub": "The Army is the first soldier I have families to 70,000 people." Guo "Haitao set Quicksand": "This means that the factory is more than the old kiln that a person must have a considerable population."
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No. 3
People. Yuan Liu to a "good on the high-Supervision Department of the correct" divertimento: "rich people to buy partial Na concubine, prosperity." "Second moment of surprises," Volume II 7: "not to resort to arms, to get into ventured out people, really Wizards Fantasy! "Hong Shen" Hong rice "Act III:" This time, wielding add people! "
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No. 4
The mouth of that conversation and discussion. "Anti-Zhi Kong Cong Son": "Dear husband of their parents, non-heart also see Wusuo amiable King, then slowly I Yi Yi sparse population and carry on." Ming Hu Ying-lin "Poetry Tau Yat on the left": "Only good is different name, so people have not already. "
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The concept of population
Population (Population), usually refers to a geographic area the number of people. The complexity of the population is a comprehensive variety of social relations, social entities, and nature of gender and age composition of a variety of social structure and social relations, economic structure and economic relations. Population, birth, death, marriage, in family relations, ethnic relations, economic relations, political relations and social relations, all social activities, social relations, social phenomena and social problems associated with the process of population development. Population by place of residence can be divided into urban and rural populations, but also by age, sex, occupation, divided into different departments, groups form. Population is a necessary condition for social and material life is the basis of all acts of social production and the subject. As social conditions are different, different levels of economic development, population development, and people's understanding of demographic phenomena and reflect also different, so in every society has its corresponding population ideas and theories.
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Global population
The world population: 6,706,993,152 (July 2008)
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Population reproduction
Original Type: High birth rate, high mortality, low rate of natural increase only in certain areas of some developing countries. Traditional: High birth rate, high mortality, low rate of natural increase only in a few developing countries in some areas. Transitional: high birth rate, low mortality and high rate of natural increase, mostly in developing countries, such as Asia, Pakistan. Modern: the low birth rate, low mortality, low rate of natural increase, such as Europe, Germany, present in most countries in East Asia except Mongolia and North Korea outside for this type.
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Population projections
Population projections is the basis of existing demographic situation and consider the various factors affecting the population development, in accordance with the scientific method, measure at some future time, population size, level and trends. Population projections for the social and economic development plans provide important information to predict the results can indicate the economic development problems that may occur, in order to help develop the right policy. Population projections began in 1696, when the British sociologist G. gold using a simple mathematical method for the next 600 years the population of the UK development of a rough calculation, although this result falls far short of the actual situation in the future, but his the work of later generations thought Quedui very enlightening.
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Population growth
Formula of population growth: birth rate - death rate = natural rate of growth Graph of world population growth rate of natural increase is greater than 0, the increase in population. Birth rate is the number of babies born within a year the total number of ratios; mortality rate is the number of deaths within a year the total number of ratios. The number of its own population since records began in the 18th century, population growth was very slow; the 18th century, and especially since the 20th century, world population growth rate was greatly accelerated. March 2006, the world's population has reached 65 million. Population growth rate is determined by the birth and death rates. From a global perspective, with the development of medical and health services, and now the number of babies born each year far more than the number of deaths, making the total population to be growing. Population growth rate in the world is different. Currently, nearly 8,000 people each year, have claimed that human beings into the "population explosion" of the era. People in order to survive and develop, in addition to meet the drinking water, food, clothing, housing and other basic survival needs, there are education, health care, employment and other needs. Overpopulation, rapid population growth on the environment, economy and society have had a huge impact. In order to solve the problems brought about rapid population growth, human beings must control their own, so that a planned parenthood, so that population growth and social and economic development compatible with the environment, resource coordination.
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Population explosion
Used to describe a region of the sudden rapid growth of population, as of the moment like a bomb. Population explosion usually occurs one to two years after the war, for example, after World War II, the world has shown a population explosion. Explosive global population growth: from 1820 to 10 billion 20 billion in 1930, 3.0 billion in 1960, 4.0 billion in 1974, 1988, 50 billion in 2000, has reached 60 million.
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Classification of population
1, according to classification of the administrative system Population: City within the jurisdiction of the entire population (including the municipal town, excluding municipal district); Town population: the entire population of the county town of jurisdiction (excluding municipal town); County Population: Rural population of the county jurisdiction. 2, according to classification of resident population City Population: Urban districts of the district population and not divided into districts under the jurisdiction of the streets of the city population; Town population: not divided into districts under the jurisdiction of the town's residents of the city and county jurisdiction of the Commission Population Commission population of the town's residents; County Population: In addition to these two people other than the entire population. 1952-1980 data for the first diameter of the data, the data after 1982 the data for the second diameter. 3, classified according to whether the industry Active population (also known as the employed population) means more than fifteen years and fifteen years the population are engaged in social labor and receive remuneration payment or earn business income of the population. Not refer to the employed population over the age of fifteen years and the fifth the population of the population not engaged in social work, including students, homemakers, pending further studies, the town unemployed, retired, resigned, lost the ability to non-working population. The total dependency ratio refers to a dependent population (0-14 years of age and over 65 population) and the proportion of population aged 15-64. The formula is: The total dependency ratio = a dependent population / population aged 15-64 × 100% The burden of old age factor means the elderly population (age 65 + population) and the proportion of population aged 15-64. The formula is: The burden of the elderly population aged coefficient = / population aged 15-64 × 100% Coefficient refers to the burden of children with juvenile proportion of the population aged 15-64. The formula is: Young children bear factor = population / population aged 15-64 × 100%
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Population migration
Concept Generally refers to the population movement between the two regions of space, which usually involves moving the population to move out of residence to play by the move to the permanent or long-term change. Reason
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The distribution of the population
Four densely populated areas: (1) East Asia (2) South Asia (3) Europe (4) North America East Four sparsely populated areas: (1) high latitudes (2) alpine highlands (3) desert (4) hot and humid tropical rain forest is not developed Population distribution is the population of the space in a certain period of time exists in the form, distribution, including the distribution of the total population of various regions and specific population (such as city population, national population), a specific process and composition of the population (such as migration, gender) distribution. It is subject to natural, social, economic and political result of multiple factors. Natural environmental conditions (such as latitude, altitude, distance from the sea, etc.) play an important role on the population distribution. Since the 20th century, with the worldwide process of industrialization and accelerated urbanization, social, economic and political factors on the population distribution is growing. World population distribution has the following characteristics: ② with latitude, altitude and distance from the sea was a regular change. Population distribution in the horizontal direction, mainly concentrated in the northern hemisphere, the Northern Hemisphere is home to 90% of the population on the planet, while only 10% of the population of the southern hemisphere, in the northern hemisphere, the addition of the population concentrated in the north latitude 20 ° ~ 60 ° between the temperate and subtropical area. Demographic trends also concentrated in coastal areas. Population distribution in the vertical direction, heavily concentrated in relatively low-lying areas at high altitudes relatively small population. Typically, mid-latitude, low and flat and coastal location of the population has obvious attraction. 79.4% of the world's population is now concentrated in the north latitude 20 ~ 60 ° area; the world's population is below 200 meters above sea level accounted for 56.2% of the world, 200 to 1,000 meters above sea level population accounts for 35.6% of the world; the world within the area 200 kilometers from the coast, although only accounted for less than 30% of global land area, but with more than half of the world's population; ③ time lag (or inert). Distribution of population is often significantly lag behind the development of productivity and economic center of the transfer. The reason is that changes in population distribution depends on the rate of natural increase and net migration rate of the cumulative effect of time, speed is slow. Only a small population base in the newly developed areas, immigration factors can have a significant effect immediately. Global, national and regional population (the phenomenon) of the distribution and formation conditions of, constitute almost the entire contents of population geography. At present, the Oceania population accounts for about 0.5% of the world's population, 6.9% North America, Europe 10.5% South America 6.7% Africa 12.5%, Asia 63%.
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Population census
Census is in the national unity within the time specified, in accordance with the unified approach, unified project, a unified standard questionnaire and uniform point in time, on the population, generally, carried out door to door by a one-time survey of people registered. Census includes the census data collection, data collection, data evaluation, analysis, editing and publishing the entire process, which is widely used in countries around the world to collect basic demographic information of a scientific method is to provide the basic national the main source of population data. Census of census registration directly with the individual. Point of view from the survey method, in principle, personal data should be reported directly by the parties. But in the actual survey, not everyone can self-declaration, such as infants or positive business trip, travel, people who were not at home can not be self-declaration, each household should be designated a person familiar with the situation truthfully declare on behalf of . As births, deaths, migration and other reasons, the population is subject to change, so must be a specific point in time the census as the standard, the country while the investigation. Home regardless of the actual time of registration in the census day, should be subject to standard time, like with a camera to take pictures at the same demographic, so as not to re-register or Making retroactive claims. In addition, the census organization also has some other features, such as highly concentrated, the census must be conducted by the National Unity; has a strict unity, unified screening programs across the country, unity and progress of work steps; a regular, many countries in the world today has provided every five years or once a decade census.
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Population policy
Population policy is a country in accordance with its rapid population growth or population growth or even negative growth to stop and take the appropriate policy measures. Different countries, due to the development of their populations are different, to take a different population policies; Moreover, a country's population policy will be developed along with the actual situation of their populations make appropriate adjustments. For example, Thailand, during the first half of the 20th century, is to promote and encourage the implementation of birth, to the mid-60s, the population average annual growth rate of 3.2%; as population growth, per capita arable land decreased, food shortages, in the 70's to promote "family planning", in 1992 the natural population growth rate from 70 to 3% of the early fall to 1.5%. France is the world's first national population, declining birth rate, is the first country in population aging. Countries in order to boost the birth rate and ease the degree of aging, adopted a series of policy measures to encourage people to have large families.
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Aging of the population
Population aging (aging of population) is a country or region in a period of rising proportion of elderly population phenomenon or process. Internationally, generally 60 or 65 years of age starting point for the elderly, the elderly accounted for 5-10% as the proportion of adult-type population, more than 10% of older-type population. Adult-type population to the elderly population, the transformation type and type in the elderly population continues to rise in the proportion of elderly population is aging. Population aging will increase the burden on working-age population, and gave the public welfare, and medical care implications.
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CCTV section "population"
"Population" column by CCTV jointly with the National Population and Family Planning Commission, the contractor Education Center of China's population, is the only revealed CCTV mystery of life, to pass the life sciences, to explore the Chinese population and economy, population and social development part of a special file. "Population" long-standing promotion of social harmony and healthy development of the population and the purpose of dissemination of population knowledge and ideas to promote healthy, promote humane care, called for respect for life, the pursuit of science, man and social development. CCTV section "Population" column each twenty minutes time for China Central Television broadcast a twenty-five past three p.m. Saturday, is one of the few in the CCTV broadcast a prime-time weekend social education One type of program.
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English Expression
n.: Population, Human population, period of prosperity （, boom, total number of these
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