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**Historical Development of Demography:**
– Demographic thoughts date back to ancient civilizations like Greece, Rome, China, and India.
– Notable figures like Herodotus, Thucydides, Hippocrates, Plato, Aristotle, Cicero, and Seneca contributed to demographic ideas.
– Christian thinkers in the Middle Ages and early modern scholars like John Graunt and Benjamin Franklin furthered demographic studies.

**Methods and Data Collection in Demography:**
Demography studies human populations’ size, composition, and distribution over time using census and registry data.
– Vital statistics registries track births, deaths, marriages, and migrations.
– Census and registry statistics are essential for accurate demographic analysis and planning.
– Direct data collection methods include government-conducted censuses for population enumeration.

**Patient Demographics and Institutional Use:**
– Patient demographics are core data for medical institutions for identification and categorization.
– Information like date of birth, gender, ethnicity, and medical history is crucial for personalized healthcare.
– Demographic data aid in statistical analysis, medical record management, healthcare planning, and resource allocation.

**Types of Demography and Analysis:**
– Formal demography focuses on measuring population processes, while social demography analyzes broader societal influences.
– Demographic analysis studies population changes through fertility, mortality, and migration.
– It is used in various fields like sociology, labor force analysis, and social sciences for making informed decisions.

**Population Dynamics and Analysis in Various Contexts:**
– Analysis of population change involves comparing sizes at different points and calculating intercensal percentage changes.
– Standardization of population numbers is crucial for accurate comparisons in demographic studies.
– Common rates and ratios like birth rates, death rates, and fertility rates are used to assess population stability and centralization.
– Demographic analysis is essential in institutions, organizations, labor markets, and business planning for informed decision-making.

Demography (Wikipedia)

Demography (from Ancient Greek δῆμος (dêmos) 'people, society', and -γραφία (-graphía) 'writing, drawing, description') is the statistical study of human populations: their size, composition (e.g., race, age), and how they change through the interplay of fertility (births), mortality (deaths), and migration.

The Demography of the World Population from 1950 to 2100. Data source: United Nations — World Population Prospects 2017
The Demography of the World Population from 1950 to 2100. Data source: United Nations — World Population Prospects 2017

Demographic analysis examines and measures the dimensions and dynamics of populations; it can cover whole societies or groups defined by criteria such as education, nationality, religion, and ethnicity. Educational institutions usually treat demography as a field of sociology, though there are a number of independent demography departments. These methods have primarily been developed to study human populations, but are extended to a variety of areas where researchers want to know how populations of social actors can change across time through processes of birth, death, and migration. In the context of human biological populations, demographic analysis uses administrative records to develop an independent estimate of the population. Demographic analysis estimates are often considered a reliable standard for judging the accuracy of the census information gathered at any time. In the labor force, demographic analysis is used to estimate sizes and flows of populations of workers; in population ecology the focus is on the birth, death, migration and immigration of individuals in a population of living organisms, alternatively, in social human sciences could involve movement of firms and institutional forms. Demographic analysis is used in a wide variety of contexts. For example, it is often used in business plans, to describe the population connected to the geographic location of the business. Demographic analysis is usually abbreviated as DA. For the 2010 U.S. Census, The U.S. Census Bureau has expanded its DA categories. Also as part of the 2010 U.S. Census, DA now also includes comparative analysis between independent housing estimates, and census address lists at different key time points.

Patient demographics form the core of the data for any medical institution, such as patient and emergency contact information and patient medical record data. They allow for the identification of a patient and his categorization into categories for the purpose of statistical analysis. Patient demographics include: date of birth, gender, date of death, postal code, ethnicity, blood type, emergency contact information, family doctor, insurance provider data, allergies, major diagnoses and major medical history.

Formal demography limits its object of study to the measurement of population processes, while the broader field of social demography or population studies also analyses the relationships between economic, social, institutional, cultural, and biological processes influencing a population.

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