Concept:
Vital statistics include data related to births, deaths, marriages, and population changes. These are collected using systematic demographic methods.
Two Primary Methods of Collecting Vital Statistics:
1. Census Method:
A census is a complete enumeration of the population conducted at regular intervals (usually every 10 years).
Covers the entire population
Provides comprehensive demographic data
Conducted by the government
2. Civil Registration System (Registration Method):
This method involves continuous and permanent recording of vital events.
Records births, deaths, marriages, etc.
Maintained by local authorities
Provides real-time data
Explanation:
The census provides periodic population data, while registration systems provide continuous and up-to-date vital statistics.