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Permanent Resident Population refers to the total number of people alive at a given area within a period (over half a year) . According to the regulation of population census and sample survey, permanent resident population include (a) registered population in this area other than those who have left this area over half a year(exclude those going abroad to work or study) . (b) population with residence registered in other area, but having actually resided in this area over half a year or having left place of residence registration over half a year and resided in this area during the period of population survey. (c) population with residence registration in this enumeration area not yet settled, i.e.residence card on hand, migration certificate, birth certificate, demobilized soldier card,release certificate, etc.
Registered Population refers to the population with registered in accordance with the regulation of the People's Republic of China on the Management of Registration Residence in public security organs in this area. No matter he is out or not, how long the time is, which is often expressed in.
Population Density refers to the total number of people within unit land area. Usually, population density is calculated using permanent resident population and indicates crowd degree of population.It is often expressed in the number of people per square kilometer.The following formula is used :
Population Density=(permanent resident population)/(Total Area of Land)
Birth Rate refers to the ratio of the number of births to the average population during a certain period of time, usually using a year as unit for calculation,which is often expressed in ‰ and indicates the alive births per 1000 persons.The following formula is used
Birth Rate=(Number of Births)/(Annual Average Number of Population)×1000‰
Death Rate refers to the ratio of the number of deaths to the average population during a certain period of time, usually using a year as unit for calculation, which is often expressed in ‰ and indicates the deaths per 1000 persons.The following formula is used
Death Rate=(Number of Deaths)/(Annual Average Number of Population)×1000‰
Natural Growth Rate of Population refers to the ratio of natural increase in population (number of births minus number of deaths) in a certain period of time to the average population of the same period, usually using a year as unit for calculation,which is often expressed in ‰. The following formula is used :
Natural Growth Rate of Population=(Number of Births-Number of Deaths)/(Annual Average Number of Population)×1000‰
Natural Growth Rate of Population=Birth Rate-Death Rate
Birth Control Rate refers to the number of alive births matching the birth control policy per 100 births.The following formula is used :
Birth Control Rate= (the number of births matching the birth control policy)/(the Total Births of the Same Period)×1000‰
Total of Birth Rate refers to the total of birth rate of women aged 15-49 during a certain period of time, which is expressed in a data.It actually refers to the number of children of average noman aged 15-49.
Gross Dependency Coefficient refers to the ratio of children aged 0-14 and elderly population aged 65 and over to the working-age population aged 15-64.It describes in general the number of non-working-age population that every 100 people at working ages will take care of.The following formula is used:
Gross Dependency Coefficient=\[(population aged 0-14) +(population aged 65 and over)\]/(population aged 15-64)×100%
Children Dependency Coefficient refers to the ratio of children aged 0-14 to the working-age population aged 15-64.It describes in general the number of children that every 100 people at working ages will take care of. The following formula is used :
Children Dependency Coefficient=(population aged 0-14)/(population aged 15-64)×100%
Old Dependency Coefficient refers to the ratio of elderly population aged 65 and over to the working-age population aged 15-64.It describes in general the number of elderly population that every 100 people at working ages will take care of.The following formula is used :
Old Dependency Coefficient= (population aged 65 and over) /(population aged 15-64)×100%
Labour Force Resources refer to the number of population at working ages (aged 16 and over) who have capacity for physical labour, have engaged in social labour or not.
Social Employment Personnel refer to the persons aged 16 and over who are engaged in social labour and receive remuneration payment or earn business income, including employment personnel worked in units in urban areas, employment personnel worked in township enterprises, rural labour engaged in farming,forestry,animal husbandry and fishery,employees in private enterprises and individual economy, employers of private enterprises and individual economy and other employment personnel. Social employment personnel not only include those in urban areas, also include those in rural areas.
Persons Employed in Urban Units refer to all the persons working in government agencies of various levels, political and party organizations, social organizations, enterprises and institutions, and receiving remuneration payment. They include on-post staff and workers and other employment personnel in various units, but exclude staff and workers who have left their working units.
Persons Employed in Private Enterprises and Individual Economy in Urban Areas Persons employed in private enterprises refer to the persons employed in the private enterprises which have been registered at the departments of industrial and commercial administration and are situated at a town (i.e. at own where the county government is located) for business operation or at urban areas with the level higher than a county town. The individual economy in urban areas refer to persons who hold the certificates of residence in urban areas or have resided in the urban areas for a long time and have been registered at the departments of industrial and commercial administration and approved to be engaged in individual industrial or commercial business, including self-employed persons as well as helpers and hired labourers who work in the individual households engaged in industrial or commercial business.
On-post Staff and Workers refer to staff and workers who work in and receive wages from their working units during a survey period. They include the persons who have signed working contracts with units or registered in units, also include those receive wages from units but are temporarily absent from work for reasons of study, work or on sick, injury or maternal leave no more than six months.
Other Persons Employed in Various Units refer to the numbers receiving wages or other forms of payment, include re-employed retirees, teachers in schools run by the local people, foreigners and Chinese compatriots from HongKong, Macao, and Taiwan working in various units,employees of other units working temporarily at current posts, unemployment personnel, non-locals, and employees holding the second job of other units, exclude students enrolled in universities and colleges who work at the units and receive wages.
Registered Urban Unemployed Persons refer to the persons who are registered as permanent residents in the urban areas engaged in non-agricultural activities, aged within the range of working age(16-retired age),capable to labour, unemployed but desirous to be employed and have been registered at the local employment service agencies to apply for a job.
Registered Urban Unemployment Rate refers to the ratio of the number of the registered unemployed persons to the sum of the number of employed persons and the registered unemployed persons. The formula is as follows ：
Registered urban unemployment rate=number of urban registered unemployed persons/ (urban employed persons + number of registered urban unemployed persons)×100%
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