Economics · Indian Economy
In the study of demographics and population dynamics, what does the term 'Total Fertility Rate' (TFR) denote?
- 1The ratio of female births to male births over a specific decade
- 2The average number of children born alive to a woman during her lifetime based on current age-specific fertility rates✓
- 3The number of children born per 1,000 women of childbearing age annually
- 4The total number of live births registered in a country in a single year
Correct answer
The average number of children born alive to a woman during her lifetime based on current age-specific fertility rates
Explanation
स्पष्टीकरण:
मुख्य बिंदु: जनसांख्यिकी (Demography) में 'कुल प्रजनन दर' (Total Fertility Rate
- TFR) जनसंख्या वृद्धि और उसके रुझानों को समझने का एक अत्यंत महत्वपूर्ण संकेतक है।
परिभाषा: टीएफआर (TFR) से तात्पर्य उस औसत संख्या से है जो एक महिला अपने पूरे प्रजनन काल (सामान्यतः 15 से 49 वर्ष की आयु) के दौरान जीवित बच्चों को जन्म देगी, बशर्ते कि उसकी आयु-विशिष्ट प्रजनन दरें (Age-Specific Fertility Rates) वर्तमान वर्ष के स्तर पर बनी रहें।
महत्व: यह माप जनसंख्या के प्रतिस्थापन स्तर (Replacement Level, जो कि लगभग 2.1 है) को समझने में मदद करता है। अतः विकल्प
- (C) सटीक परिभाषा है।
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