Question

how is the information on birthrate and death rate collected in a country?

Answer 1

Civil registration provides the basis for individual legal identity but also allows countries to identify their most pressing health issues. WHO receives cause-of-death statistics regularly from about 100 Member States. ... Information on births and deaths by age, sex and cause is the cornerstone of public health planning.

Answer 2

Birth Rate is the term used to define the number of babies born every year per 1000 people in a population.