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 Glossary of Terms 

POPULATION

Age Dependency Ratio – is the ratio of persons in the “dependent” ages (generally under age 15 and over age 64) to those in the “economically productive” ages (15-64 years) in the population. It is sometimes divided into the old-age dependency (the ratio of people aged 65 and older to those aged 15-64 years) and the child dependency (ratio of people under 15 to those aged 15-64 years)

Age Specific Fertility Rate – the number of births to women of a given age group per 1,000 women in that age group. It is calculated by dividing the number of births to women of a particular age group by the female population in that age group multiplied by 1,000.

Crude Birth Rate – is the ratio of the number of births during a specified period (e.g., one year) to the total number of persons in the mid-period population or July 1 of the same year

Family - a group of persons usually living together and composed of the head and other persons related to the head by blood, marriage or adoption. It includes both the nuclear and extended family.

Family Size - number of members present in the family.

Family, Extended - group consisting of a biological family as a nucleus, together with the kin in the direct or indirect line of one member or members of the nucleus, or group consisting of several family nuclei.

Family, Nuclear – unit composed of father, mother and own children living together.

General Fertility Rate – is the number of live births per 1,000 women aged 15-49 in a given year

Household - a social unit consisting of a person living alone or a group of persons who sleep in the same housing unit and have a common arrangement in the preparation and consumption of food.

Household Population – the population enumerated in private households during a census.

Household Size - number of usual members in a private household.

Human Development Index - measure of how well a country has performed, not only in terms of real income growth, but also in terms of social indicators of people's ability to lead a long and healthy life, to acquire knowledge and skills, and to have access to the resources needed to afford a decent standard of living.

Institutional Population – the population enumerated during a census living in large institutions, such as national prisons and penal colonies, provincial and large city jails, tuberculosis sanitaria, mental hospitals, leprosaria, military, mining and logging camps, etc. The cut-off is more than 6-months duration.

Life Expectancy – represents the average number of years remaining to a person who survives to the beginning of a given age or age interval x.

Life Expectancy at Birth – is defined as the number of years a newborn child can be expected to live under a given mortality condition of an area in a given year

Marital Status - status of an individual in relation to marriage, classified as follows: a) Single - A person who has never been married; b) Married - A couple living together as husband and wife, legally or consensually; c) Divorced - A person whose bond of matrimony has been dissolved legally and who therefore can remarry; d) Separated - A person separated legally or not from his/her spouse because of marital discord or misunderstanding; and e) Widowed - A person whose bond of matrimony has been dissolved by death of his/her spouse.

Migration – the movement of people across a specific boundary for the purpose of establishing a new or semi permanent residence. Two distinct types are international migration (migration between countries) and internal migration (migration within a country)

Migration Rate - the ratio of migrants to the total mid-year population during a given period expressed per 1,000 population.

Mother Tongue - the language or dialect first spoken in the individual's home in his early childhood, although not necessarily spoken by him at present.

Net Migration Rate – shows the net effect of migration on an area in a given time period. This is expressed as the increase or decrease in the population of the area as a result of in-migration and out-migration per 1,000 population.

Population – total number of individuals in a territory at a specified time. It covers both nationals and aliens, native and foreign born persons, internees, refugees and any other group physically present within the borders of a country at a specified time. In assembling national demographic statistics for publication, the basic aim has been to obtain data for the physically present (or de facto) population rather than for the legally established resident (or de jure) inhabitants.

Population Census – the total process of collecting, compiling, evaluating, analyzing and publishing demographic, economic and social data pertaining to all persons in the country or in a well-limited territory.

Population Change – is the growth or decline of the total population or one of its structural units

Population Density - refers to the number of persons per unit of land area (usually in square kilometers). This measure is more meaningful if given as population per unit of arable land.

Population Distribution - the patterns of settlement and dispersal of a population.

Population Growth Rate – indicates how fast a population increases or decreases as a result of the interplay of births, deaths, and migration during a given period of time. Where the population is closed, meaning no migration, the population growth rate is the same as the rate of natural increase, i.e., the difference between the number of births and the number of deaths during a specified period of time. The three methods for computing the rate of growth based on the assumption with respect to the change are: arithmetic change, geometric change and exponential change.

Population Projection – computation of future changes in population numbers, given certain assumptions about future trends in the rates of fertility, mortality and migration. Demographers often publish high, medium, and low projections of the same population based on different assumptions of how these rates will change in the future

Population Pyramid – diagram usually a bar chart depicting the distribution of a given population by age and sex. By convention, the younger ages are at the bottom, with males on the left and females on the right

Rural Area – an area outside any area classified as urban

Sex Ratio – the number of males per 100 females in a population

Total Fertility Rate – the average number of children that would be born alive to a woman (or group of women) during her lifetime if she were to pass through her childbearing years conforming to the age specific fertility rates of a given time period.

Urban Barangay

"(1) If a barangay has a population size of 5,000 or more, then a barangay is considered urban, or

(2) If a barangay has at least one establishment with a minimum of 100 employees, a barangay is considered urban, or

(3) If a barangay has 5 or more establishments with a minimum of 10 employees, and 5 or more facilities within the two-kilometer radius from the barangay hall, then a barangay is considered urban.

Urbanization - in general, the historical process describing the growth of towns in modern society, implying a change in the socio-economic and demographic structure of a population, an urban way of life and new settlement.

Working Age Population - refers to population 15-64 years old at a specified time. The working age population is divided into persons in the labor force and persons not in the labor force.

 

Definitions are per NSCB Resolution No. 11, Series of 2003 Annex-BR-11-2003-1.

Definition for Urban Areas is per NSCB Resolution No. 9, Series of 2003 Annex-BR-11-2003-1.

 

 

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