Population
'India's POPULATION is both its STRENGTH and its CHALLENGE — the world's LARGEST population of 1.43 billion people, with a demographic dividend waiting to be HARVESTED or WASTED.'
1. Population Size and Distribution — The Big Picture
| Demographic Fact | Value |
|---|
| Population (2024 est.) | ~1.43 billion — WORLD'S LARGEST (surpassed China in 2023) |
| World ranking by population | 1st (China 2nd, USA 3rd) |
| Percentage of world population | ~17.5% |
| Land area percentage | ~2.4% of world's land |
| State with highest population | Uttar Pradesh (~24 crore) |
| State with lowest population | Sikkim (~7 lakh) |
| UT with highest population | Delhi (~2 crore) |
| UT with lowest population | Lakshadweep (~70,000) |
'India has 17.5% of the world's population living on 2.4% of the world's land — this simple fact explains MANY of India's development challenges: pressure on land, resources, infrastructure, and public services.'
Population Distribution — Uneven Spread
| Region | Characteristics |
|---|
| Highly populated states | UP, Maharashtra, Bihar, West Bengal, MP, Tamil Nadu, Rajasthan, Karnataka, Gujarat, AP |
| Sparsely populated states/UTs | Sikkim, Mizoram, Arunachal Pradesh, Lakshadweep |
| Densely populated regions | Northern Plains (Ganga-Yamuna floodplains — fertile soil, river water, flat land). Coastal plains (economic activity, ports, cities). |
| Sparsely populated regions | Himalayas (rugged terrain, cold climate). Thar Desert (arid, low water). Central India forests (hilly, forested, Naxal-affected). Andaman & Nicobar Islands (remote, small area). |
2. Population Density
Population density = Number of persons per square kilometre (persons/sq km).
| Administrative Unit | Density (persons/sq km) — 2011 Census |
|---|
| India (average) | 382 |
| Highest density state | Bihar (1,106) |
| Lowest density state | Arunachal Pradesh (17) |
| Highest density UT | Delhi (11,320) |
| Lowest density UT | Andaman & Nicobar (46) |
| AP density | 308 |
| High density districts in AP | Guntur (~600+), Krishna (~500+), Visakhapatnam (~500+) |
Factors Affecting Population Distribution
- Physical factors: Fertile plains vs rugged mountains. Adequate rainfall vs arid deserts. River valleys vs dry plateaus.
- Historical factors: Ancient civilisations in river valleys (Ganga, Godavari, Krishna). Colonial port cities (Chennai, Mumbai, Kolkata).
- Economic factors: Industrial areas (Mumbai-Pune, Bengaluru, Hyderabad). Agricultural surplus regions (Punjab, Haryana, Godavari-Krishna delta).
3. Population Growth
India's Population Growth Through Census Years
| Census Year | Population (crores) | Decadal Growth (%) |
|---|
| 1951 | 36.1 | — |
| 1961 | 43.9 | 21.6% |
| 1971 | 54.8 | 24.8% |
| 1981 | 68.3 | 24.7% |
| 1991 | 84.6 | 23.9% |
| 2001 | 102.9 | 21.5% |
| 2011 | 121.1 | 17.7% |
| 2024 (est.) | ~143 | ~10.5% (estimated) |
Phases of Population Growth
| Phase | Period | Characteristics |
|---|
| Phase I — High Growth | 1951-1981 | High birth rate + declining death rate → RAPID population growth. Mortality dropped due to improved healthcare, sanitation, and disease control. Fertility remained high (agricultural economy, children seen as economic assets). |
| Phase II — High Growth with Signs of Decline | 1981-2001 | Birth rate started declining slowly. Socioeconomic development, education, urbanisation, family planning awareness → declining Total Fertility Rate (TFR). |
| Phase III — Slowing Growth | 2001-present | TFR approaching replacement level (2.1 children per woman). India's TFR = ~2.0 in 2024. Population continues to grow due to POPULATION MOMENTUM — even after TFR drops below replacement, the large number of young people will keep adding to the population for decades. |
'India's population is STILL GROWING — even though women today have fewer children than their mothers did. This is POPULATION MOMENTUM: the huge number of young people (born during high-growth years) are now in their reproductive years, adding more babies even at lower fertility rates.'
4. Age Composition
| Age Group | Category | % of Population (approx.) | Key Implication |
|---|
| 0-14 years | CHILDREN | ~25% | Dependent population. Need investment in education, health. |
| 15-59 years | WORKING AGE | ~63% | DEMOGRAPHIC DIVIDEND — the working-age population is larger than the dependent population. This is an opportunity for economic growth IF jobs are created. |
| 60+ years | ELDERLY | ~12% | Dependent (retired). Need pension, healthcare, social security. |
Dependency Ratio = (Children + Elderly) / Working Age Population × 100. India's dependency ratio is DECLINING — from ~80% in 1970 to ~52% in 2024. This means FEWER dependents per worker — but only if the workers are employed productively.
5. Sex Ratio
Sex Ratio = Number of FEMALES per 1,000 MALES.
| Entity | Sex Ratio (2011 Census) | Note |
|---|
| India (overall) | 943 | Improved from 933 (2001) |
| Best state | Kerala (1,084) | Only state with more females than males |
| Worst state | Haryana (879) | Worst — reflects son preference, sex-selective abortion |
| Best UT | Puducherry (1,038) | — |
| AP | 997 (2011). Latest NHFS: ~1,013 | BETTER than national average — improved due to anti-female foeticide laws, awareness, girl child education schemes |
Why India's Sex Ratio is Skewed
- Son preference: Historical, cultural, economic (son inherits property, performs last rites, supports parents in old age).
- Sex-selective abortion: Illegal since the Pre-Conception and Pre-Natal Diagnostic Techniques (PCPNDT) Act, 1994 — but still practiced covertly.
- Better female child mortality: Girls get less nutrition, less healthcare than boys in many families.
- Dowry system: Financial burden of daughter's marriage incentivises smaller families with fewer daughters.
6. Literacy
| Literacy Fact | Value |
|---|
| India's literacy rate (2011) | 74.04% |
| Male literacy | 82.14% |
| Female literacy | 65.46% (GAP of ~17% — a major concern) |
| Best state | Kerala (93.91%) |
| Worst state | Bihar (63.82%) |
| AP literacy (2011) | 67.02% |
| AP male literacy | 74.88% |
| AP female literacy | 59.15% |
'Literacy is not just about reading and writing — it is about EMPOWERMENT. A literate population makes better health decisions, participates more in democracy, adopts family planning, and contributes more to economic growth.'
7. Health
| Health Indicator | India | AP | Best State |
|---|
| Infant Mortality Rate (IMR — per 1,000 live births) | 28 (2020) | ~27 | Kerala (6) |
| Maternal Mortality Rate (MMR — per 1 lakh live births) | 97 (2018-20) | ~60 | Kerala (30) |
| Life Expectancy at birth | 69.4 years (male 68, female 71) | ~70 | Kerala (75+) |
| Total Fertility Rate (TFR — children per woman) | 2.0 | ~1.8 | Kerala (1.8) |
8. National Population Policy (NPP) 2000
Goal: To achieve a stable population by 2045 — consistent with the requirements of sustainable growth, social development, and environmental protection.
| NPP Objective | Detail |
|---|
| Immediate | Address unmet needs for contraception, health infrastructure, health personnel. |
| Medium-term | Bring TFR to replacement level (2.1) by 2010 (was partially achieved — India's TFR reached 2.0 in 2020). |
| Long-term | Achieve STABLE POPULATION by 2045 at a level consistent with sustainable development. |
Key Strategies
- Promote family planning: Free contraceptives, sterilisation (especially female), spacing methods (IUCD, pills).
- Reduce IMR to <30/1,000. Reduce MMR to <100/1,00,000.
- Promote female education and delay age of marriage.
- Cash incentives: For sterilisation, for girl child education (Beti Bachao Beti Padhao), for institutional delivery (Janani Suraksha Yojana).
- Adolescent health: Reproductive health education, prevention of teenage pregnancies.
9. Andhra Pradesh — Demographics in Focus
| AP Demographic Indicator | Value | Rank among States |
|---|
| Population (2011 Census) | 8.46 crore | 10th |
| Density | 308 persons/sq km | Above national average |
| Literacy | 67.02% | Below national average (74.04%) |
| Sex ratio | 997 (2011) / ~1,013 (latest) | Above national average |
| TFR | ~1.8 | Below replacement level — achieved earlier than most states |
| Urbanisation | ~38% | Moderate |
| Age (0-6) sex ratio | 939 | — |
AP's Demographic Transition
AP has achieved replacement-level fertility (TFR ~1.8) — meaning the average woman has <2 children. This is a SIGNIFICANT achievement. However:
- Population is still growing (due to population momentum — the large number of young people from earlier high-fertility years).
- Ageing population: With low fertility and rising life expectancy, AP's elderly population is growing — requiring more pension, healthcare, and social security.
- Urbanisation: Cities like Visakhapatnam, Vijayawada-Guntur, Tirupati are growing rapidly — putting pressure on housing, water, transportation, and waste management.
- Skill development: AP has a young population that needs SKILLING for jobs — the Andhra Pradesh Skill Development Corporation (APSSDC) runs programmes in IT, manufacturing, healthcare, and hospitality.
10. Common Mistakes
- 'India's population is the second largest in the world' — CORRECTION: India SURPASSED China in 2023 and is NOW the world's largest population (~1.43 billion).
- 'Population density is highest in mountainous areas' — CORRECTION: Population density is highest in fertile plains and coastal areas (Bihar, West Bengal, Kerala). Mountainous areas (Arunachal Pradesh, Sikkim) have very LOW density.
- 'Sex ratio means number of males per 1,000 females' — CORRECTION: Sex ratio is the number of FEMALES per 1,000 males.
- 'India's literacy rate is 90%' — CORRECTION: India's literacy rate is 74.04% (2011 Census). It has improved since then but is nowhere near 90%.
- 'Population growth stops when TFR reaches 2.1' — CORRECTION: Even at replacement level TFR, population continues to grow for decades due to POPULATION MOMENTUM — the large existing young population.
11. Exam Focus
| Topic | Marks (approx.) |
|---|
| Population size, distribution, density | 3-4 |
| Population growth — phases, trends | 3-4 |
| Age composition, demographic dividend | 3-4 |
| Sex ratio — causes of imbalance | 3-4 |
| Literacy and health indicators | 2-3 |
| National Population Policy | 2-3 |
| AP demographics | 2-3 |
Key Facts for Quick Revision
- India: ~1.43 billion (1st in world). Area: 3.28 million sq km (7th). Density: 382/sq km.
- Highest density state: Bihar (1,106/sq km). Lowest: Arunachal Pradesh (17/sq km).
- Literacy: 74.04% (2011). Male: 82.14%. Female: 65.46%.
- Sex ratio: 943 females/1,000 males (2011). Best: Kerala (1,084). Worst: Haryana (879).
- AP: 8.46 crore (10th). Density 308/sq km. Literacy 67%. Sex ratio 997 (2011), ~1,013 (latest).
- Demographic Dividend: India has a young population — 63% in working age (15-59). This is an OPPORTUNITY for economic growth.
12. Quick Self-Test
- What is India's current population (approximate)? (Answer: ~1.43 billion — world's largest.)
- Define population density. What is India's density? (Answer: Persons per sq km. India's density = 382 persons/sq km.)
- What is the Demographic Dividend? (Answer: When the working-age population (15-59) is larger than the dependent population (children + elderly) — creating potential for economic growth.)
- What is the sex ratio of AP? (Answer: 997 females per 1,000 males in 2011 Census; improved to ~1,013 in latest estimates.)
- Name two goals of the National Population Policy (2000). (Answer: Bring TFR to replacement level. Achieve stable population by 2045.)
- Why is India's population still growing despite declining fertility? (Answer: Population momentum — the large number of young people from earlier high-fertility years are now in reproductive age.)
- Which state has the highest literacy rate in India? (Answer: Kerala — 93.91%.)
- What is India's sex ratio and why is it skewed toward males? (Answer: 943 females per 1,000 males. Causes: son preference, sex-selective abortion (PCPNDT Act), neglect of girl child.)
- What is AP's Total Fertility Rate? (Answer: ~1.8 — below replacement level, achieved earlier than most states.)
- Define Dependency Ratio. (Answer: Ratio of dependents (children 0-14 + elderly 60+) to working-age population (15-59). India's ratio is ~52%.)
