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

The annual statistics on total population is taken at midnight£¬the 3lst of December, not including residents in Taiwan province, Chinese compatriots in Hong Kong and Macao and overseas Chinese.

Urban Population and Rural Population are classified, in general, with the permanent population.

City population: Total population under the jurisdiction of city (including population of the town under the jurisdiction of city. excluding the population of counties under the jurisdiction of city).

Town population: Total population of town under the jurisdiction of county (excluding the population of town under the jurisdiction of city).

Rural Population: Total population except city population and town population.

Urban Population refers to the population living in areas under the jurisdiction of cities or towns.

Rural Population refers to the population of counties excluding those living in towns.

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 the following formula:

ª¤Birth Rate£½(Number of Births/Average Number of Population)¡Á1000¡ë

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 year population) during a certain period of time (usually a year), which is often expressed in the following formula:

Death Rate£½(Number of Deaths/Annual Average Number of Population)¡Á1000¡ë

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 year population) of the same period, which is often expressed in the following formulas:

Natural Growth Rate of Population£½(Number of Births-Number of Deaths)/Average Number of Population¡Á1000¡ë

Natural Growth Rate of Population£½Birth Rate£­Death Rate