Concepts and Definitions

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    1. Adult Literacy Rate  

    Percentage of literate population aged 15 and more to total population aged 15 and more in a given area.

    2. Age Dependency Ratio

    Percentage of the population in the younger (0-14) and older age groups (65+), to the population in the age group 15-64.

    3. Average Household Size

    This is the average number of persons in normal or regular households (i.e. excluding institutional and homeless households
    and households of boat and transient population).

    4. Density of Population

    It is the number of persons per square kilometer (km2) of a given area. For calculating density of population at province level,
    area figures obtained by the Ministry of Interior are used. For the maps on population density by district in Section 3, the
    area figures of districts provided by the Department of Geography are used.  

   5. Economically Active Population (or Labour Force)

    This refers to employed and unemployed population among those aged 7 and more. A person was categorized in the census
    as employed or unemployed based on his/her main activity during the year preceding the census. Main activity is defined as
    the activity during 6 months (183 days) or more during that year.

    6. Educational Level

    Educational level refers to completed level. The classification of educational level adopted is shown below along with the
    corresponding grades completed within brackets: 

    Primary Not Completed (1 to 5), Primary (6 to 8), Lower Secondary (9 to 11), Secondary School/Diploma (12 to 13),
    Undergraduate (14), Graduate/Degree Holder (15) and Post Graduate (16).

    7. General Activity Rate (or Labour Force Participation Rate)

    Percentage of economically active population to population aged 7 and above.

    8. Head of Household

    Head of household for census purposes is a person who is recognized as such in a household. He or she is generally the
    person who bears the chief responsibility for the management of the household and takes decisions on behalf of the
    household. Head of the household is not necessarily the eldest male member, but may be a female member or a younger
    member of either sex.

    9. Household

    A household is a group of persons who commonly live together and would take their meals from a common kitchen unless
    the exigencies of work prevented any of them from doing so.

    10. Literacy

    Ability to read and write with understanding in any language. By definition all children of the age of 6 years or less are treated
    as illiterate. Hence general literacy rate is calculated as the percentage of literate persons in total population excluding
    children aged 0 to 6.

    11. Migrants

    Those who had their previous residence outside the place (village) of enumeration. Recent Migrants refers to persons who
    had moved to the place of enumeration from another previous residence within the 5 years preceding the census date
    (March 3, 1998). 

    12. Population Projections

   
Population projections constitute an essential tool for development planning. For the Cambodia projections the base date
    was chosen as January 1, 2001, the starting date of the Second Five Year Development Plan of the Royal Government of
    Cambodia. With certain assumptions of fertility, mortality and migration, the 1998 population was initially adjusted for
    January 1, 2001. The set of projections extends for four five-year periods until January 1, 2021. The "PEOPLE" software
    package was used for the projections.  

    13. Sex Ratio

    Number of males per 100 females in a population.

    14. Singulate Mean Age at First Marriage (SMAM)

    This is an indirect method to estimate mean age at first marriage. This is applied for calculating age at marriage. In short, this
    method is used to approximate the mean number of years lived by an assumed cohort of women before their first marriage on
    the basis of the data as the percentage never-married or single by age.  

    15. Urban and Rural

    In all provinces, districts containing provincial headquarter towns are treated as urban areas. Krong Preah Sihanouk, Krong
    Kaeb and Krong Pailin are treated as entirely urban. In Phnom Penh municipality, the four districts or Khands of Doun
    Penh, Chamkar Mon, Prampir Meakkakra and Tuol Kouk are classified as urban. All the remaining areas in the country
    are treated as rural.

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