what is meant by sources of population statistics

Sources of Population Data Population data are the indicators of the various information of population like birth, death, migration, age, sex, marital status, religion, literacy, language, occupation, etc. Such data help to formulate and implement the various policies and planning in a country.

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What are the sources of population data?

Population data are the indicators of the various information of population like birth, death, migration, age, sex, marital status, religion, literacy, language, occupation, etc. First hand data which are collected by census, vital registration, sample survey, administrative records, population register, etc are primary sources of population data.

What is a population in statistics?

In statistics, population is the entire set of items from which you draw data for a statistical study. It can be a group of individuals, a set of items, etc. It makes up the data pool for a study. Generally, population refers to the people who live in a particular area at a specific time.

What is the composition of the population?

The composition of the population includes age, gender and race. The data available on flows provide us with information on the exits and entries of population between the two specific points in time and such kind of information comes from the vital registration system which is one of the most important sources of the population data.

What is the difference between source population and study sample?

(1) these 100,000 people represent the entirety of the population about which you want to make inferences, in which case the 100,000 people are the source population for all three studies and the subset of the 50,000 people selected to be in each study is the study sample for that study.

What are the sources of population statistics?

The three main sources of demographic and social statistics are censuses, surveys and administrative records.

What is meant by the sources of population data?

It can be defined as the process of collecting, compiling, evaluating and publishing demographic, social and economic data about the sampled population in order to infer the general behavior of theentire population of a place or a country in a given time period.

What do you mean by statistical sources?

Primary, or "statistical" sources are data that are collected primarily for creating official statistics, and include statistical surveys and censuses. Secondary, or "non-statistical" sources, are data that have been primarily collected for some other purpose (administrative data, private sector data etc.).

What is population in statistics with example?

It can be a group of individuals, objects, events, organizations, etc. You use populations to draw conclusions. Figure 1: Population. An example of a population would be the entire student body at a school. It would contain all the students who study in that school at the time of data collection.

What is importance and source of population data?

Critical decisions for a nation, organization, or family are made based on population data. Population data contains various influential details such as birth, death, demographic information such as age, sex, annual income, occupation, language, etc.

What is the best source for population data?

( 1 ) United Nations Population Division. World Population Prospects: 2019 Revision. ( 2 ) Census reports and other statistical publications from national statistical offices, ( 3 ) Eurostat: Demographic Statistics, ( 4 ) United Nations Statistical Division.

What are the 3 types of statistics?

Types of Statistics in MathsDescriptive Statistics. In this type of statistics, the data is summarised through the given observations. ... Inferential Statistics. This type of statistics is used to interpret the meaning of Descriptive statistics. ... Statistics Example.

What are the 5 sources of data?

The Top 5 Sources of Data on your WebsiteReports: Conversion funnel and pathing. Study these reports. ... Internal search queries. This seems like a no-brainer, but some brands forget to assess what people are searching for on their website. ... Store locators. ... Reviews & Customer Service inquiries. ... Domain reports.

What are the 4 sources of data?

Sources of DataObservation Method.Survey Method.Experimental Method.

What are the types of population in statistics?

There are different types of population. They are: Finite Population. Infinite Population.

Why is population important in statistics?

Statistical populations are used to observe behaviors, trends, and patterns in the way individuals in a defined group interact with the world around them, allowing statisticians to draw conclusions about the characteristics of the subjects of study, although these subjects are most often humans, animals, and plants, ...

What is the difference between sample statistics and population statistics?

A population is the entire group that you want to draw conclusions about. A sample is the specific group that you will collect data from. The size of the sample is always less than the total size of the population.

What is the source of population data in India?

In India, the main sources of demographic data are: (i) Population Census; (ii) Civil Registration System (CRS); (iii) Sample Surveys such as National Sample Surveys and Sample Registration System (SRS); (iv) National Family Health Surveys (NFHS), (v) District level Household Surveys (DLHS); (vi) Migration Report, ...

What is the importance of population data?

Population data is essential for planning purposes. Any country needs to know the size and composition of its population – around age and sex structure, among other factors. Knowledge about distribution is important, too: where do people live and work?

What is the difference between census and population data?

Census method is the method of statistical enumeration where all members of the population are studied. A population refers to the set of all observations under concern.

What is population data and census?

The United Nations defines a population census as the total process of collecting, compiling, and publishing demographic, economic, and social data pertaining to a specific time to all persons in a country or delimited part of a country. As part of a census count, most countries also include a census of housing.

What is sample survey?

Data are collected in only some selected household and population in order to infer the characteristics of theentire population. It can be defined as the process of collecting, compiling, evaluating and publishing demographic, social and economic data about the sampled population in order to infer the general behavior of theentire population of a place or a country in a given time period. The sample survey was started in England in the19th century. If it is conducted in regular interval of time, census operation is not needed. For example, census is not conducted in Afghanistan.

What is the VRS system?

Vital Registration System (VRS) is also known as Civil Registration System. In a simple sense, recording of birth and death is vital registration. In this system, various vital events like birth, death, marriage, divorce and migration are recorded.

When was the Registrar's Office established in Nepal?

It was first started in England in the16th century. It was started in Nepal in 1st Baisakh 2034 BS in 10 districts. The coverage of the system was increased in 17 districts in 2035 BS, 34 districts in 2037 BS, 40 districts in 2038 BS and all 75 districts in 2047 BS. After 2050 BS, the Registrar’s office was shifted under the Ministry of Local Development. All VDC’s and Municipalities run this system loc ally in Nepal.

What is de jure method?

De jure method : The method of thecensus which can be conducted on the basis of permanent place of residence is called de jure method. It is considered as more practical and scientific. It is also called ‘period enumeration’. This method is applied in Nepal. In Nepal, instead of taking acensus on the basis of permanent resident,a resident of 6 months and over is taken. Therefore, the method of census taking in Nepal is ‘modified de jure’.

When was the first Nepal census?

The first census carried out in Nepal in 1968 BS. After that every 10 years, the census was carried out. The census 2009/11 BS was said to be thescientific census of Nepal. Other censuses of Nepal were 2018 BS, 2028 BS, 2038 BS, 2048 BS, 2058 BS and the last one was 2068 BS. The last census 2068 BS was the 11th census of Nepal.

What is the census method called?

Census can be conducted on the basis of two methods: De facto method : The method of thecensus which can be conducted on the basis of usual place of residence is called 'de facto method'. This type of census is conducted at night. Therefore, this type of census enumeration is called ‘one- night enumeration’.

What are the two major methods of census?

The two major methods of census are: de- facto method and de- jure method.

What is the most important problem that social scientists are facing now days?

The most important problem that the social scientists are facing now days is the collection of the accurate, reliable and relevant data. Basically, the subject matter of the population geography is so vast so that’s why the population geographers require large variety and amount of data which pertains to all the attributes of the population. Although, the particular data which is being requires by the population geographers is also dependent upon the issue he is working upon. At the micro level the population geographers collect the primary data whereas on the macro level it is far more beyond the level of any individual to collect the data on all the attributes of the population. So is should say that it is very difficult for an individual to collect data for large area that’s why a population geographer always prefer to look for other official sources for the collection of the data. 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. Whereas, some of the statistics regarding the population can be produced in the form of secondary sources such as statistical abstracts indeed. In the regard of secondary sources for the collection of population data the United Nation Organization itself is the biggest producer of the Population data.

What are administrative records?

These administrative records not only include the vital events that have been recorded in the civil registration system but it also includes the data on employment, deaths, births, education and health etc. well, the reliability of the data obtained from administrative records is dependent upon the completeness with the classifications and concepts that have been used in the census in order to collect population data. Theses administrative records are regarded as the by-products of the administrative records. The administrative data is collected due to the day to day operations of the organizations and there administrative files can be used as a substitute for census and surveys. [1]

Why do demographers use population data?

Most of the time the demographers use the population data in order to analyze and describe the evolution and the structure of the population. Basically, there is two type of data which is most used by the geographers. Basically, the population data comes in many forms and shapes but we classify it two main groups.

What is population registration?

In this registration process the family is considered as the basic social unit for keeping record of the population. However, such a record keeping phenomena should have yielded a continuous population register but in reality the compilation has been never made or if made then in inaccessible secret archives. Presently, in the modern world many countries have adopted the registration systems in order to keep the record of deaths, births, marriages, adoptions, divorces etc. In some states it is known as population registers for record keeping.

Why do we need to device such good systems?

Most importantly we need to device such good systems In order to capture the errors that occur during the collection of the population data and that system is regarded as data quality assurance systems.

What is the role of surveys in the population analysis?

So we could say that the role of surveys is just to provide explanatory information to the population analysis. Both the private organizations and governments are very much engaged in conducting the surveys.

Why do countries use population registers?

Presently, in the modern world many countries have adopted the registration systems in order to keep the record of deaths, births, marriages, adoptions, divorces etc. In some states it is known as population registers for record keeping .

What Constitutes a Population?

A statistical population is any group of individuals who are the subject of a study, meaning that almost anything can make up a population so long as the individuals can be grouped together by a common feature, or sometimes two common features. For example, in a study that is trying to determine the mean weight of all 20-year-old males in the United States, the population would be all 20-year-old males in the United States.

What is inferential statistics?

As a result, many statisticians, social scientists and others use inferential statistics, where scientists are able to study only a small portion of the population and still observe tangible results.

Why is it important to know which population subsets should be selected?

The question of which population subsets should be selected, then, is highly important in the study of statistics, and there are a variety of different ways to select a sample, many of which will not produce any meaningful results. For this reason, scientists are constantly on the lookout for potential subpopulations because they typically obtain better results when recognizing the mixture of types of individuals in the populations being studied.

Why do you end up with data that you do not need?

"You could end up with data that you do not need because your target population was not clearly defined, notes the statistics bureau. Another relevant study might be a look at all primary grade school children who drink soda.

What is population in statistics?

In statistics, the term population is used to describe the subjects of a particular study—everything or everyone who is the subject of a statistical observation. Populations can be large or small in size and defined by any number of characteristics, though these groups are typically defined specifically rather than vaguely—for instance, ...

Why is it so rare to do a census?

Due to constraints of resources, time, and accessibility, it is nearly impossible to perform a measurement on every subject. As a result, many statisticians, social ...

Why is it important to understand the target population being studied?

It is important to understand the target population being studied, so you can understand who or what the data are referring to . If you have not clearly defined who or what you want in your population, you may end up with data that are not useful to you. There are, of course, certain limitations with studying populations, ...

What is the term for enumeration of the entire population of a country or region at a particular?

In other words, enumeration of the entire population of a country or a region at a particular time is called a census . Periodicity is an important characteristic of a census (Clarke, 1972:8) in that such counting is done at a regular interval. Most of the countries, including India, conduct census every 10 years.

What is the purpose of census?

Census is the single largest source of data for population studies all over the world. Though modern census is the phenomenon of a more recent time in past – in the seventeenth and eighteenth centuries, evidences indicate that enumeration of people were carried out in different parts of the world even during the ancient time. The purpose of such enumeration was, however, very limited, i.e., tax collection, or military conscription, or both.

Why is the population register important?

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. They also provide a very good account of the contribution of migration in population change of a country .

How are demographic surveys used?

The data thus obtained have several uses such as bringing up-to-date the results of a complete count taken some time in past , checking the accuracy and supple­menting the data of current complete count etc.

What is stock data?

The former, generally known as stock data, is represented by census and various social surveys, and provides information on size, distribution and various social, demographic and economic attributes of the population. The latter, on the other hand, is known as flow data and relates to the registration of such events as births, deaths and migration.

Why is vital statistics important?

The vital statistics form an important tool for studying the dynamics of the population of any country or region.

What are the problems with census data?

One of the major problems for a population geographer concerning census data is the difference in the level of detail provided, the accuracy of returns and the period of coverage across different countries of the world. This renders any international comparison very difficult.

What is population data?

Population data is defined as a set of individuals who share a characteristic or set of these. A population is mainly determined by geographies, such as all people in California, or all people in the United States. Demographers (people who study human populations) categorize this as the natural population. A collection of any living beings is ...

What is geography in the study of population?

Geography is one of the many ways in which the population is defined and analyzed. The era, political inclinations, religious beliefs, or physical characteristics are ways of dividing people into different communities. The study of populations is achieved by examining these diverse populations and observing where they coincide.

What is a sample survey?

Sample surveys: An alternative to a full enumeration census is a sampling. You might be familiar with this as the method that market research companies and political analysts use to conduct their research. Statisticians use a mathematical formula to know the minimum number of people needed to constitute a population’s representative sample. For example, if the total population is 1,000 people, researchers could directly survey 150 of them. Then, they can take the data from the sample and extrapolate it to the entire population. If 10% of the sample people are left-handed, it can be assumed that 100 of a population of 1,000 are left-handed.

Why are people less able to reproduce?

People are less healthy, therefore, less able to reproduce.

How many ways are there to conduct a census?

There are two ways of conducting census:

Why do all samples have a margin of error?

All samples have a margin of error because of the possibility that samples differ from the total population. This is expressed in terms of variation of error percentage, such as +/- 4%. The larger the sample size, the smaller the margin of error. Besides, samples must be chosen in the most unexpected way possible.

What is secondary population data collection?

Secondary Population Data Collection Sources: Data obtained from existing sources such as journals, newspapers, magazines, annual research reports, etc. and not directly by a government or a research organization is called secondary population data collection.

What is the definition of live birth?

“LIVE BIRTH is the complete expulsion or extraction from its mother of a product of conception, irrespective of the duration of pregnancy, which after such separation, breathes or shows any other evidence of life” “DEATH is the permanent disappearance of all evidence of life at any time after live birth has taken place (this definition excludes foetal deaths, which are defined separately below).”

What is housing census?

“A housing census is the total process of collecting, compiling, evaluating, analysing and publishing or otherwise disseminating statistical data pertaining, at a specified time, to all living quarters1 and occupants thereof in a country or in a well-delimited part of a country ” [3].

What is locality in the UN?

According to a UN report a locality is defined as “a distinct population cluster (also designated as inhabited place, population centre, settlement etc.), in which the inhabitants live in neighboring sets of living quarters and which has a name or a locally recognized status”[3]. These entities should not be confused with the smallest administrative divisions of a country (a Kebele, in the case of Ethiopia). There might be an overlap between the two in some instances. But, “in others, even the smallest civil division may contain two or more localities”. [5]

What is civil registration?

“Civil registration is defined as the continuous, permanent, compulsory and universal recording of the occurrence and characteristics of vital events”. These events pertain to the population as decreed in accordance with the legal necessities of a country. It is carried out first and foremost for the purpose of putting in place the legal documents provided by the law. Vital registration records are also a main source of vital statistical data. Data quality requirements for vital statistics include completeness of coverage, timeliness, and accuracy, of civil registrations.

Is census taking expensive?

As discussed above, census taking is a costly and time-consuming undertaking. The continuous and complete registration of viral events – births, deaths, marriages, etc. is even costlier and beyond the financial and technical reaches of a poor country like Ethiopia. The solution has been the use of sampling. Sampling is a statistical technique, and is defined as “the analysis of a group by determining the characteristics of a significant percentage of its members chosen at random.” [7] The organization charged with the collection, analysis, and dissemination of sample and census data in Ethiopia is the Central Statistical Authority (CSA), formerly known as the Central Statistical Office (CSO) established in 1960. In the agency’s own words, its functions are anchored in “….

What is population census?

Thus a population census is an official enumeration of the inhabitants of a country with statistics relating to their location, age, sex, marital status, literacy status, language, educational level, economic activity, number of children, migration, etc. Population census is a regular feature of all progressive countries, ...

What is the most important source of demographic data?

The most important source of demographic data is the census. The word “census” is derived from the Latin word censere which means “to assess”.

Why is sampling used in census?

Sampling is also used to check the accuracy of the census data where there is doubt in census results. This method yields good results if the sample is properly chosen.

Why are population registers important?

The population registers helps in verifying the correctness of the census figures for that year. 3. Other Records: Besides the population register, there are other records which are secondary sources of demographic data in developed countries.

How long does it take to do a census?

from people residing in a country. 12. Every country is legally bound to undertake a census after an interval of 10 years and people are bound to cooperate and provide the required information.

What is census in the United Nations?

A United Nations Study defines the population census as the “total process of collecting, compiling and publishing demographic, economic and social data pertaining, at a specified time or times to all persons in a country or delimited territory.”

How often is the population census conducted?

It is conducted at regular intervals, usually every 10 years, for fulfilling well-defined objectives.

What Is Population?

A population is a distinct group of individuals, whether that group comprises a nation or a group of people with a common characteristic. In statistics, a population is the pool of individuals from which a statistical sample is drawn for a study. Thus, any selection of individuals grouped together by a common feature can be said to be a population.

Why do statisticians and researchers prefer to know the characteristics of every entity in a population?

Statisticians and researchers prefer to know the characteristics of every entity in a population in order to draw the most precise conclusions possible. This is impossible or impractical most of the time, however, since population sets tend to be quite large.

What is the purpose of randomly selecting a sample population?

The members of a sample population must be randomly selected for the results of the study to accurately reflect the whole.

Why do companies need to take a sample of the population?

A sample of the population must be taken since the characteristics of every individual in a population cannot be measured due to constraints of time, resources, and accessibility.

When do statisticians attempt to ascertain a fact or facts about any of those sub-populations?

When statisticians attempt to ascertain a fact or facts about any of those sub-populations, they typically rely on a sample population. These test subjects, selected at random, yield conclusions that are extended to the general population being studied.

How much will the world population grow in 2050?

The world population is expected to grow from 7.7 billion in 2019 to 9.7 billion in 2050, according to a projection by the United Nations Department of Economic and Social Affairs. 7  The greatest growth is expected in sub-Sarahan Africa, where the population may double, while Europe and North America are expected to have the least growth, at just 2%.

How does the World Bank help the poor?

The World Bank is an international organization that aims to reduce global poverty by lending money to poor nations for projects that improve their economies and raise their overall standard of living. In order to pinpoint where help is most needed, the Bank conducts an authoritative, country-by-country headcount based on local data of people living in extreme poverty. The numbers fell steadily from over 40% of the global population in 1985 to as low as 9.2% in 2017, according to the Bank. However, in 2020, the impact of the COVID-19 epidemic was expected to cause the first yearly increase in extreme poverty in more than 20 years. 4 

What is Population?

In statistics, population is the entire set of items from which you draw data for a statistical study. It can be a group of individuals, a set of items, etc. It makes up the data pool for a study.

How to Collect Data From a Sample?

Samples are used when the population is large, scattered, or if it's hard to collect data on individual instances within it. You can then use a small sample of the population to make overall hypotheses.

How to overcome the restraints of a population?

To overcome the restraints of a population, you can sometimes collect data from a subset of your population and then consider it as the general norm. You collect the subset information from the groups who have taken part in the study, making the data reliable. The results obtained for different groups who took part in the study can be extrapolated to generalize for the population.

What is the process of collecting data from a small subsection of the population and then using it to generalize over the?

The process of collecting data from a small subsection of the population and then using it to generalize over the entire set is called Sampling.

Why should samples be randomly selected?

To ensure this, statistical methods such as probability sampling, are used to collect random samples from every class within the population. This will reduce sampling bias and increase validity.

Why is data important in statistics?

In statistics, data plays an essential role in deciding the validity of the outcome. The data being used must be relevant, correct, and representative of all classes. While more data is good to get impartial results, it is crucial to make sure that the data collected is suitable for the problem at hand.

How often is the census done in India?

Now consider the census data collection, which takes place every 10 years. The government news is to count all the people living in India. However, rural areas and tribal villages might not be accessible by the census agents, leading to marginalized communities being left out. The data collected from the census is used to allocate resources, so this negatively affects these communities.

Census

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Vital Registration System

Sample Survey

Administrative Records

Importance of Populations

What Constitutes A population?

• A statistical population is any group of individuals who are the subject of a study, meaning that almost anything can make up a population so long as the individuals can be grouped together by a common feature, or sometimes two common features. For example, in a study that is trying to determine the meanweight of all 20-year-old males in the United...

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Population Data in Action

Limited Resources

Population Subsets