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Chapter Summary

The world's population

ICSE · Class 12 · History

Summary of The world's population for ICSE Class 12 History. Key concepts, important points, and chapter overview.

70 questions40 flashcards5 concepts

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Overview

World population changed slowly for centuries and then rose very rapidly in the modern period. By 1650 it had doubled since AD 1 to about 500 million. By 1850 it had reached 1.2 billion, then rose to 2 billion in 1927, crossed 6 billion by 2000, and reached 7 billion at the end of 2011. This rapid r

Key Concepts

For many centuries

For many centuries, the world population rose very slowly. By 1650 it had only doubled since AD 1, reaching about 500 million.

After 1850 the world population increased

After 1850 the world population increased very rapidly. It passed 2 billion in 1927, 6 billion by 2000, and 7 billion at the end of 2011.

Population growth was faster in industrialized

Population growth was faster in industrialized countries earlier, while the sharpest post-1945 rise occurred in Africa, Asia, and Latin America.

Industrialization

Industrialization, economic growth, improved public health, medical advances, sanitation, lower infant mortality, and immigration all raised populatio

After 1945

After 1945, modern medicine and hygiene reduced deaths, but contraceptive use remained limited and many cultures valued large families.

Learning Objectives

  • Trace the major stages of world population growth from AD 1 to 2011
  • Explain the causes of population growth in Europe, North America, and the Third World
  • Describe the effects of rapid population growth on food, housing, healthcare, and resources
  • Understand attempts at population control and their successes and failures
  • Compare different views on population explosion and consumption

Frequently Asked Questions

What are the important topics in The world's population for ICSE Class 12 History?
The world's population covers several key topics that are frequently asked in ICSE Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in The world's population — ICSE Class 12 History?
Understand the core concepts first, then work through the 70 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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