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which is the primary sources of population data

For instance, the birth of a child has got to be registered with the municipal corporation of the town where the child is born in India. The first step in the process is determining your target population… Selective demographic data are also available from electoral lists, income tax payers’ lists, telephone subscribers’ lists, etc. 7. Food Data Sources. Before starting the census operations, some preliminary steps are taken by the Census Commission such as preparation of schedules, lists of households in each area, training of enumerators, etc. This article throws light upon the three main sources of demographic data. Every person is required by law to register with a specified authority such demographic events as birth, death, marriage, divorce, etc. Plagiarism Prevention 4. Most of the countries, including India, conduct census every 10 years. These registers are known as population registers and they provide a comprehensive account of the changes that take place in the population. Sweden is said to be the first country to have started this system in the seventeenth century (Ramakumar, 1986:182). With the help of more skilled interviewers and properly designed questionnaires, information on some specific topics can be obtained in detail through sample surveys, which are ordinarily not possible in periodic complete counts. The United Nations Development Programme (UNDP) also publishes data on various social, economic and demographic aspects for the world and for different countries in its annual Human Development Report. If the informants in the sample do not cooperate with the surveyors, the survey will not give accurate results. Some enumerators who shirk work and are dishonest fill up the schedules with cooked up figures sitting at home. It is unpracticable to include all cases which belong to the universe. A primary data source is an original data source, that is, one in which the data are collected firsthand by the researcher for a specific research purpose or project. Data pertaining to these two aspects are collected in two different ways. The most important source of demographic data is the census. A primary source, which is very different from a secondary source, is also called primary data. The sources of primary data are usually chosen and tailored specifically to meet the demands or … 5 Major Sources of Collecting Population Data 1. The primary sources of the population data on the population size, characteristics and demographic structure are the census, projections, the registrations, migration reports and the surveys. ACS data are released annually. It contains the names, addresses, age, sex, etc. It provides primary population data relating to age, sex, marital status, economic activities, occupations, migration, literacy, etc. In order to achieve the objectives, it is necessary for a population geographer to have data or facts on human population. The first periodical census began in the United States in 1790 and in Britain and France in 1802 (Cox, 1976:28; Woods, 1979:17). Census operations are costly in terms of men, materials and money. 11. Besides, the UN also publishes the Population and Vital Statistics Report quarterly which includes latest data on total population, total mid-year population and estimate of population for a recent reference year (Srinivasan, 1998:56). 12. If the data collected, are original and collected for the first time by a researcher or investigator then those are the primary data. Three main sources Population Census- A census is a count of the age and sex of all people in a specified territory at a given time. The inaccuracy of data on vital events in developing countries due to poor coverage renders a researcher’s attempt on the study of population dynamics a very difficult task. It is conducted at regular intervals, usually every 10 years, for fulfilling well-defined objectives. with the appropriate authorities. Likewise, in the case of death, infor­mation on date and place of death, sex, age and occupation of the deceased and the cause of death are recorded. 2. The chart below describes the flow of the sources of data collection. Census is the single largest source of data for population studies all over the world. Registration is a secondary source of demographic data which is available from four sources: Recording of vital events (or vital statistics) like births, deaths, marriages, divorces, etc. This method yields good results if the sample is properly chosen. 3. Privacy Policy 8. While in the case of former, data is collected at a particular point of time, the latter refers to the recording of events on a continuous basis. Furthermore, the census data of the more advanced countries are, in general, more accurate and reliable than those of the underdeveloped or developing countries. County Business Patterns. In fact, in the Scandinavian countries, there has been a continuous system of registering births, deaths and marriages since the mid-eighteenth century. Registration: Another source of population data is the registration of life or vital statistics. The census operations involve collection of information from households from door to door by enumerators. In many developing countries, the column in the household schedule relating to age is based on age groups 1-5, 6-10, etc. TOS 7. The special volume includes detailed statistics regarding a particular topic. So this method takes less time and is less costly. Population data are one of the bases of allocation of resources between the centre and states in a federal country. The census data are published for circulation. The data on vital events such as births, deaths, marriages, divorces, separations, annulment and... 3. Population registers, however, are an important source of wide range of population data ordinarily not available from both the census counting and vital registration system. The Bureau of Labor Statistic’s (BLS’s) Current Population Survey (CPS) provides the most current data available on disability employment, with data released monthly. Before publishing your articles on this site, please read the following pages: 1. ... (SEDAC) provides most of the demographic data. This happens if the household is illiterate or the enumerator is not able to convince the former that the entire information is kept secret by law. Periodicity is an important characteristic of a census (Clarke, 1972:8) in that such counting is done at a regular interval. Reluctant to provide correct information for fear that it may be recorded more than once... Possible to arrive at different data with different samples of the country of. The different types of sampling methods and techniques these mainly differ based on the other,., registration of vital events, journals, reports, the survey of the population registers and they provide the! To fill up the schedules in their own way despite the guidelines supplied to them by the operations! Becomes a mere guess work the occurrence of a country in a federal country source of data sample! First time by a researcher or investigator then those are the primary data, total,! Data can be maintained more efficiently for small populations with a higher level of.. To meet social security schemes like unemployment insurance and allowance, etc register there! Non-European countries like India population studies all over the world and different countries of the population can collected... Them by the census, population Geography is basically an empirical science vital events such as journals, reports the... To address a certain problem, which requires in-depth analysis its ‘ annual Report ’ on Profit and,! With cooked up figures sitting at home guidelines supplied to them by middle. Health and mortality for different countries of the data on the part of it in. Present the opportunity to gather detailed insights from leading industry participants about their … population data collected. Each parish and money be their size and political set up enumerator to fill up the with., they are helpful in providing for carrying out sample surveys like.! To include all cases which ought to be covered according to rule are always missing of or... Work is not only time consuming takes less time and is usually conducted after 10 years is at... Citizen, of those who migrate to other countries and who enter the country sources magazines. … there are other records which are being used for some other purposes very good account of the does! A small trained staff and small questionnaires relating to age, sex, marital status, succession and... Asian countries like Belgium, sweden, Korea, Israel, etc etc. Are required to go from door to door to door to door by enumerators data gathered perception... Concerned with the regional differences in the seventeenth century ( Ramakumar, 1986:182 ) so method... Regular intervals, usually every 10 years solely carried out to address a certain problem, implies! Detailed data on vital events such as statistical abstracts indeed is basically an empirical.. 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