After reading this article you will learn about the meaning and uses of Vital Statistics. Meaning of Vital Statistics: Vital statistics, also known as vital events or vital records, are an important source of demographic data. They explain statistically such events as births, deaths, marriages, divorces, etc. According to N.B. Ryder, they "provide cumulative summaries for successive time periods of [...]
After reading this article you will learn about:- 1. Meaning of Migration 2. Types of Migration 3. Concepts 4. Effects Meaning of Migration: Migration is the third factor for changes in the population, the other being birth rate and death rate. As compared to birth rate and death rate, migration affects the size of population differently. Migration is not a [...]
This article throws light upon the top five methods used for measuring death rate. The methods are: 1. Crude Death Rate (CDR) 2. Age Specific Death Rate (ASDR) 3. Cause Specific Death Rate (CSDR) 4. Infant Mortality Rate (IMR) 5. Standardised Death Rate (SDR). Method # 1. Crude Death Rate (CDR): The crude death rate is the number of deaths [...]