Explanatory Notes to Major Statistical Indicator

Total Population refers to the total number of people alive at a certain point of time within a given area.

Birth Rate (or Crude Birth Rate) refers to the ratio of the number of births to the average population during a certain period of time (usually a year) which is often expressed in ‰.

Number of Births refers to live births i.e. the births when babies had showed any vital phenomena regardless of the length of pregnancy.

Death Rate (or Crude Death Rate) refers to the ratio of the number of deaths to the average population (or mid-period population) during a certain period of time (usually a year) which is often expressed in ‰.

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 (usually a year) to the average population (or mid-period population) of the same period which is often expressed in ‰. The following formulas are applied:

Natural Growth Rate of Population = Birth Rate-Death Rate

Employed Population refers to the population aged 15 and over who are engaged in social working and receive remuneration payment or earn business income.

Social Dependency Ratio refers to the ratio of the population engaged in social working to the number of dependents. The social dependency ratio is calculated as follows:

Social Dependency Ratio = Number of Dependents/Population engaged in social working×100%。

The Aged Dependency Ratio refers to the ratio of the population engaged in social working to the number of the aged population. The aged dependency ratio is calculated as follows:

Aged Dependency Ratio = Number of the Aged Population/ Population engaged in social working×100%

The Juvenile and Children Dependency Ratio refers to the ratio of the population engaged in social working to the number of the juvenile and children. The juvenile and children dependency ratio is calculated as follows:

Juvenile and Children Dependency Ratio = Number of Juvenile and Children/ Population engaged in social working×100%

Employed Persons refer to the persons who are engaged in social working and receive remuneration payment or earn business income, including total staff and workers, re-employed retirees, employers of private enterprises, self-employed workers, employees in private enterprises and individual economy, employees in township enterprises, employed persons in the rural areas, and other employed persons (including the servicemen, etc.).

Persons Employed in Units refer to all the persons working in government agencies of various levels, political and party organizations, social organizations, enterprises and institutions, and receiving wages or other forms of payment. They include fully-employed staff and workers, re-employed retirees, foreigners and Chinese compatriots from Hong Kong, Macao, and Taiwan working in various units, part-time employees, employees of other units working temporarily at current posts, and employees holding the second job, but exclude staff and workers who have left their working units while keeping their labour contract (employment relation) unchanged.

Staff and Workers refer to the persons who work in (and receive payment therefrom) enterprises and institutions of state ownership, collective ownership, joint ownership, share holding, foreign ownership, and ownership by entrepreneurs from Hong Kong, Macao, and Taiwan, and other types of ownership and their affiliated units, excluding the retired persons invited to work in the units again, and foreigners and persons coming from Hong Kong, Macao and Taiwan and working in various units.

Persons Employed in Private Enterprises and Self-Employed Individuals 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 county town (i.e. a town where the county government is located) for business operation or at urban areas with the level higher than a county town. The self-employed individuals 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.