Question map
The total fertility rate in an economy is defined as :
Explanation
The total fertility rate is defined as the average number of children born to each woman over the course of her life.[3] More precisely, it represents the average number of children that would be born to a woman over her lifetime if she were to experience the current age-specific fertility rates throughout her lifetime.[4] This makes option D correct, as it accurately captures the concept of TFR as the average number of live births a woman would have by the end of her child-bearing age.
Option A is incorrect because it describes the crude birth rate, which is the number of births over a given period divided by the person-years lived by the population, expressed as births per 1000 population.[5] Option B is incorrect as TFR measures births per woman, not per couple. Option C is incorrect because the birth rate and fertility rate are linked but distinct concepts[6], and TFR is not calculated as birth rate minus death rate—that would represent natural population growth.
Sources- [1] https://www.unescap.org/sites/default/files/HISHub-CRVS-Resource-Kit-pre-press.pdf
- [2] https://www.unescap.org/sites/default/files/HISHub-CRVS-Resource-Kit-pre-press.pdf
- [3] https://www.unescap.org/sites/default/files/HISHub-CRVS-Resource-Kit-pre-press.pdf
- [4] https://www.unescap.org/sites/default/files/APPJ-Vol-22-No-2.pdf
- [5] https://www.unescap.org/sites/default/files/HISHub-CRVS-Resource-Kit-pre-press.pdf
PROVENANCE & STUDY PATTERN
Full viewThis is a classic 'Sitter' question derived directly from static NCERT Human Geography and standard Economy texts. It tests fundamental clarity on demographic definitions. If you confused 'per 1000 people' (Crude Birth Rate) with 'per woman' (TFR), your static revision needs immediate tightening.
This question can be broken into the following sub-statements. Tap a statement sentence to jump into its detailed analysis.
- Statement 1: Is the total fertility rate (TFR) defined as the number of children born per 1000 people in the population in a year?
- Statement 2: Is the total fertility rate (TFR) defined as the number of children born to a couple in their lifetime in a given population?
- Statement 3: Is the total fertility rate (TFR) defined as the birth rate minus the death rate?
- Statement 4: Is the total fertility rate (TFR) defined as the average number of live births a woman would have by the end of her child-bearing age?
- Directly defines the total fertility rate (TFR) as the average number of children born to each woman over her life.
- Explicitly contrasts TFR with crude birth rate, indicating TFR is not measured per 1000 population per year.
- Defines the metric that matches the user's wording: births per 1000 population is the crude birth rate, not TFR.
- Shows that 'number of births per 1000 population' is a distinct concept from TFR.
- Describes TFR in units of births per woman (e.g., 'between 3 to 7 births per woman'), reinforcing that TFR is per woman, not per 1000 people per year.
- Notes TFR is births per woman and relates to surviving children per woman, further confirming the per-woman basis.
Gives an explicit definition of TFR as the total number of children that would be born to each woman over her child-bearing years (per woman, lifetime measure).
A student can contrast this per-woman lifetime definition with measures expressed 'per 1000 people in a year' to suspect they are different concepts.
States TFR is the average number of children born per woman and notes replacement level ~2.1 children per woman (units are 'per woman').
A student can use the clear 'per woman' phrasing to rule out an interpretation that TFR is a per-1000-per-year rate.
Defines the crude birth rate (CBR) as the number of live births in a year per thousand of population — an example of a rate expressed 'per 1000 people in a year'.
A student can map the 'per 1000 per year' formulation here to the statement's wording and infer that that formulation corresponds to CBR, not TFR.
Also defines birth rate as number of live births per thousand persons in a year and contrasts birth/death rates as components of population change.
A student can use this to understand standard demographic convention: annual 'per 1000' measures are crude rates, distinct from lifetime-per-woman measures like TFR.
Provides historical series of birth and death rates expressed 'per 1000 persons' showing common use of 'per 1000 per year' for crude rates.
A student can generalize that demographic statistics use 'per 1000 per year' wording for crude rates (CBR/CDR), supporting the idea that TFR (per woman) is different.
- Explicitly defines TFR as an average per woman, not per couple.
- Specifies that the measure covers children born 'over the course of her life', i.e. lifetime.
- Defines TFR as the average number of children born to a woman over her lifetime.
- Provides the population-level framing ('of a population'), directly addressing the scope in the statement.
- Restates that TFR is the average number of children that would be born to a woman over her lifetime.
- Mentions the role of age-specific fertility rates, reinforcing the standard demographic definition (per woman).
Gives a direct definition-style formulation: TFR is the total number of children that would be born to each woman if she were to live to the end of her child-bearing years.
A student can contrast 'per woman' here with the statement's 'per couple' language and use basic reasoning to suspect the statement misstates the unit (woman vs couple).
States TFR as 'the average number of children born per woman' and mentions replacement level ~2.1 children per woman.
Compare the unit 'per woman' to 'per couple' in the statement; knowing replacement level refers to women helps reject the 'per couple' phrasing.
Uses policy language targeting TFR 'at 2.1 children per woman' as a medium-term goal, reinforcing the 'per woman' metric.
A student can infer that official demographic targets treat TFR per woman, so interpreting it per couple would require an extra conversion/assumption about couples.
National policy objective framed as bringing the Total Fertility Rate to replacement level (2.1) by a date, again linking TFR with children per woman.
Knowing replacement-level fertility is expressed per woman allows a student to question the statement's 'per couple' phrasing and consider demographic conventions.
Mentions TFR values and replacement level in discussion of population trends, treating TFR as an aggregate per-woman indicator in demographic analysis.
A student could use these examples of TFR figures (expressed per woman) to show that demographic practice reports TFR per woman, not per couple.
- Explicitly defines the total fertility rate as an average number of children born to each woman over her life.
- This definition describes lifetime children per woman, not a calculation involving birth rate minus death rate.
- States the TFR is the average number of children born to a woman over her lifetime under current age-specific fertility rates.
- That formulation indicates TFR is a fertility measure per woman, not the difference between birth and death rates.
- Defines TFR as the number of children a woman would bear during her lifetime given current age-specific fertility rates.
- Adds that birth rate and fertility rate are 'linked but distinct', indicating they are different concepts.
Gives a direct definition of Total Fertility Rate (TFR) as the total number of children a woman would bear over her child‑bearing years (not a rate difference).
A student could contrast this definition with measures expressed per 1000 (birth/death rates) to see they are different kinds of measures and thus suspect the statement is false.
States that 'natural increase of population is the difference between birth rates and death rates' — showing that birth minus death is used to measure natural population change, not fertility per woman.
Combine this with the TFR definition (snippet 1) to infer that birth‑minus‑death relates to population growth, not to TFR.
Explains components of population change and defines Crude Birth Rate (CBR) and Crude Death Rate (CDR) as births/deaths per thousand — a different metric class from TFR.
Using a world map or population data, a student could compare CBR−CDR values with TFR values to see they behave differently, reinforcing that TFR ≠ birth−death.
Table listing Crude Birth Rate, Crude Death Rate and 'Natural Growth' (persons per thousand) explicitly treats natural growth as the difference between CBR and CDR.
A student could note that natural growth (CBR−CDR) is reported per thousand population, whereas TFR (snippet 1) is children per woman — different units imply different concepts.
Lists TFR among health indicators and (in the list) appears alongside CBR and CDR, implying TFR is a distinct demographic indicator rather than a computed difference of birth and death rates.
Recognizing TFR as a separate indicator, a student could look up unit conventions or example values to confirm TFR is not simply birth rate minus death rate.
- Provides an explicit definition matching the statement: number of children that would be born to each woman if she lives to the end of her child-bearing years.
- Uses the phrase 'end of her child-bearing years', directly matching the wording of the statement.
- Defines TFR as the average number of children born per woman, which is the same concept as average live births per woman.
- Concise restatement that aligns with the statement's 'average number of live births a woman would have'.
- Refers to TFR in units of 'children per woman' (e.g., target of 2.1), reinforcing that TFR is measured per woman across reproductive life.
- Contextual use of 'children per woman' supports the interpretation of TFR as an average births-per-woman metric.
- [THE VERDICT]: Sitter. Directly solvable from NCERT Class XII Human Geography (Ch 2) or Vivek Singh/Singhania Economy chapters on Demography.
- [THE CONCEPTUAL TRIGGER]: Demography & Vital Statistics. The specific confusion matrix between TFR, CBR (Crude Birth Rate), and Natural Growth Rate.
- [THE HORIZONTAL EXPANSION]: Memorize the Denominators: TFR (per woman), CBR/CDR (per 1,000 population), IMR (per 1,000 live births), MMR (per 1,00,000 live births). Know India's current TFR (2.0 as per NFHS-5) vs Replacement Level (2.1).
- [THE STRATEGIC METACOGNITION]: UPSC traps are often in the units. When reading definitions, isolate the 'Numerator' (Live births) and the 'Denominator' (Woman vs. 1000 people). Option A described CBR; Option C described Natural Increase. Only D described TFR.
TFR measures the average number of children a woman would bear over her entire child-bearing period.
High-yield for demographic questions because it distinguishes individual-level fertility from population-level rates; connects directly to population growth, demographic transition theory, and family‑planning policy targets; mastering this helps answer conceptual and data-interpretation questions about fertility.
- Indian Economy, Vivek Singh (7th ed. 2023-24) > Chapter 8: Inclusive growth and issues > Recent demographic trends > p. 258
- Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 19: Population and Demographic Dividend > Is legislation on population regulation really required in the current scenario? > p. 570
CBR expresses live births in a year per 1,000 persons and is a population-level yearly rate.
Essential to differentiate rate formats (per‑woman vs per‑thousand population); important for calculating natural increase and comparing regions/periods; knowing this prevents conflation of TFR and CBR in MCQs and analytical questions.
- FUNDAMENTALS OF HUMAN GEOGRAPHY, CLASS XII (NCERT 2025 ed.) > Chapter 2: The World Population Distribution, Density and Growth > Components of Population Change > p. 9
- CONTEMPORARY INDIA-I ,Geography, Class IX . NCERT(Revised ed 2025) > Chapter 6: Population > Processes of Population Change/Growth > p. 52
- Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 19: Population and Demographic Dividend > INDIA'S POPULATION: TREND IN SIZE, GROWTH PATTERN, BIRTH AND DEATH RATES > p. 561
Replacement level fertility is the fertility at which a population exactly replaces itself, usually around 2.1 children per woman.
Crucial for questions on population stabilization and policy goals; links TFR to demographic targets and mortality effects; useful for evaluating whether a population is above, at, or below replacement, and for policy recommendation questions.
- Indian Economy, Vivek Singh (7th ed. 2023-24) > Chapter 8: Inclusive growth and issues > Recent demographic trends > p. 258
- Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 19: Population and Demographic Dividend > Family Planning in the 1990s > p. 568
- Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 13: Cultural Setting > The National Population Policy, 2000 > p. 115
TFR measures the average number of children a woman would have over her reproductive lifetime, not the number per couple.
High-yield: distinguishes TFR from couple-based or household fertility metrics; essential for interpreting demographic data, comparing regions, and assessing family‑planning outcomes. Links directly to questions on population growth and demographic indicators.
- Indian Economy, Vivek Singh (7th ed. 2023-24) > Chapter 8: Inclusive growth and issues > Recent demographic trends > p. 258
- Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 19: Population and Demographic Dividend > Is legislation on population regulation really required in the current scenario? > p. 570
Replacement-level fertility is the TFR at which a population exactly replaces itself from one generation to the next, typically around 2.1.
High-yield: frequently used in questions on population stabilization, demographic targets, and policy evaluation; connects TFR values to policy goals and demographic transition concepts.
- Indian Economy, Vivek Singh (7th ed. 2023-24) > Chapter 8: Inclusive growth and issues > Recent demographic trends > p. 258
- Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 19: Population and Demographic Dividend > Family Planning in the 1990s > p. 568
- Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 13: Cultural Setting > The National Population Policy, 2000 > p. 115
Births (and birth-rate measures) are primary drivers of population change that relate to fertility indicators like TFR.
High-yield: foundational for understanding population dynamics, framing questions on natural increase, and linking fertility measures with mortality and migration in policy discussions.
- FUNDAMENTALS OF HUMAN GEOGRAPHY, CLASS XII (NCERT 2025 ed.) > Chapter 2: The World Population Distribution, Density and Growth > Components of Population Change > p. 9
- CONTEMPORARY INDIA-I ,Geography, Class IX . NCERT(Revised ed 2025) > Chapter 6: Population > Processes of Population Change/Growth > p. 52
TFR measures the total number of children a woman would bear over her childbearing years, not a difference of rates.
High-yield for population questions: distinguishes a cohort/fertility measure (TFR) from annual vital rates. Helps answer questions on demographic indicators, fertility policy interpretation, and comparisons between fertility and growth measures.
- Indian Economy, Vivek Singh (7th ed. 2023-24) > Chapter 8: Inclusive growth and issues > Recent demographic trends > p. 258
- Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 13: Cultural Setting > HEALTH INDICATORS > p. 118
The 'Next Logical Question' is the difference between Gross Reproduction Rate (GRR) and Net Reproduction Rate (NRR). NRR accounts for female mortality before childbearing age ends (NRR < 1 means population will shrink eventually), whereas GRR assumes all daughters survive.
Apply 'Unit Logic'. Fertility is biologically a capacity of the *woman*, not the general population (which includes men and children). Option A uses 'per 1000 people' (too broad). Option B uses 'couple' (social unit, variable). Option C is a math difference. Only Option D focuses on the biological unit ('woman') and the specific timeframe ('child-bearing age').
Mains GS-1 (Population & Associated Issues): TFR falling below 2.1 (Replacement Level) signals the onset of an 'Aging Society'. This shifts the policy focus from Population Control (Family Planning) to Social Security (Silver Economy) and Labor Productivity (to offset shrinking workforce).