आमतौर पर, भारत में जनसंख्या जनगणना कितने वर्षों के बाद आयोजित की जाती है?

The second stage of the Demographic Transition Model is characterized by:

What is the number of deaths per thousand persons in a year called in demographic studies?

Given below are two statements regarding demographic structure: Assertion (A): Scandinavian countries exhibit a regressive (narrowing base) age-sex population pyramid. Reason (R): Low birth rates and stable/negative growth rates contribute to aging populations in these countries. Select the correct option:

Match the factors in List-I with their corresponding demographic transition outcomes in List-II: List-I (a) Increased access to female education and employment (b) Persistent reliance on subsistence agriculture (c) Widespread improvement in healthcare and sanitation (d) Increased urbanization and expansion of the middle class List-II (i) Delays demographic transition from Stage 2 to Stage 3 (ii) Facilitates realization of the demographic dividend (iii) Drives significant decline in crude death rate (iv) Directly contributes to lower birth rates

According to United Nations estimates, in which year did the global population reach 1 billion for the first time?