Class 9 Social Science — Chapter 6: POPULATION

Chapter 6: POPULATION is a chapter in Class 9 Social Science (Geography - Contemporary India), part of the CBSE NCERT curriculum followed by over 25 million students across India. This chapter covers 7 topics including Population Size and Distribution, Population Density, Factors Influencing Population Distribution. BrainWeave provides free AI-powered explanations — by voice or text, in Hindi or English — with no signup required.

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What you'll learn

▸Population Size and DistributionCore concept

population sizeuneven distributioncensusUttar Pradeshmost populous
▸Population DensityCore concept

population densitypersons per sq kmuneven densityBiharArunachal Pradesh
▸Factors Influencing Population DistributionCore concept

terrainclimatefertile soilsrainfallNorthern Plains
▸Population Growth and Rate of GrowthCore concept

population growthabsolute increaseannual growth ratedeclining ratebase population
▸Processes of Population Change: Birth and Death RatesCore concept

birth ratedeath ratenatural increasepopulation changelive births
▸Migration and UrbanizationCore concept

migrationinternal migrationpush factorspull factorsurbanization
▸Adolescent Population

adolescentage group 10-19future resourcenutritionone-fifth

Chapter Summary

Understand India's total population size, its share in the world, and how it is unevenly distributed across states, with specific reference to the most and least populous states. This also includes the concept and frequency of the Census.

Learn the definition of population density and how it is calculated. Students should be able to identify India's average population density and recognize the vast differences in density between states like Bihar and Arunachal Pradesh.

Analyze the reasons behind the uneven distribution of population, focusing on physical factors such as rugged terrain, unfavorable climate, soil fertility, and availability of rainfall. Students should be able to connect high density with fertile plains and low density with harsh geographical conditions.

Distinguish between absolute increase in population and the annual growth rate. Students should understand the trend of population growth in India, noting the period of rapid increase and the subsequent decline in the growth rate since 1981.

Understand the three main processes of population change: birth rates, death rates, and migration. This topic focuses on how the difference between birth rate and death rate (natural increase) has been the primary driver of India's population growth.

Learn about migration as a key component of population change, differentiating between internal and international migration. Students should understand the 'push' and 'pull' factors driving rural-to-urban migration and its impact on urbanization.

Recognize the significance of the adolescent population (age 10-19) in India, which constitutes one-fifth of the total population. Students should understand that this group is a crucial resource for the future and has specific needs, such as higher nutrition.

Practice Questions from this Chapter

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Explain population density simply. Get Solution →
Compare India's population to China's. Get Solution →
Describe how birth rates affect population. Get Solution →
According to the March 2011 census, what was the population of India? Get Solution →
What is the definition of a census? Get Solution →
Which state was identified as the most populous in India according to the 2011 census? Get Solution →
What is population density? Get Solution →
What was India's population density in the year 2011? Get Solution →

Did you know?

💡 Globally, roughly four babies are born every single second.
💡 For most of human history, the world's population grew very slowly.
💡 More than half of all people now live in cities, not rural areas.
💡 The entire human population could stand shoulder-to-shoulder in Los Angeles.
💡 Antarctica has no permanent human population, only researchers and staff.

Frequently Asked Questions

How many topics are covered in this chapter?

This chapter covers 7 key topics: Population Size and Distribution, Population Density, Factors Influencing Population Distribution, Population Growth and Rate of Growth, Processes of Population Change: Birth and Death Rates, and more. The BrainWeave AI tutor explains each one with examples.

Is Chapter 6: POPULATION important for board exams?

Class 9 is a foundation year. Mastering this chapter now will help you build strong fundamentals for the higher classes.

Can I get NCERT solutions for this chapter in Hindi?

Yes. BrainWeave's AI tutor supports Hindi, English, and Hinglish for both voice and text chat. Just ask your question in your preferred language.

Is BrainWeave free for Class 9?

Yes. BrainWeave's free Spark plan gives generous daily messages — enough for regular homework. Premium features unlock when you bring your own free Google Gemini API key.

Can I use voice chat for this chapter?

Absolutely. Tap the mic, ask any question about Chapter 6: POPULATION, and the AI tutor will explain it back in voice and text.

How is BrainWeave better than static NCERT solutions sites?

Static solution sites give the same answer to everyone. BrainWeave adapts to your question — ask "explain like I'm 12" or "give a real-world example" and get a personalized response. Voice mode and Hindi support work seamlessly.

Related Chapters

Chapter 5: NATURAL VEGETATION AND WILDLIFE

Chapter 4: Climate

Chapter 3: DRAINAGE

Chapter 1: INDIA – SIZE AND LOCATION

Chapter 2: PHYSICAL FEATURES OF INDIA

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