"Population of the World" PPT download

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"Population of the World" PPT download

Part One: Population Growth

Before the 18th century, population growth was very slow;

After the 18th century, especially since the 20th century, the world's population growth rate has accelerated significantly.

The changing pattern of population growth:

The law of world population growth from 1830 to 1999: From 1830 to 1999, the time required for the world's population to grow by one billion has gradually become shorter, indicating that during this period, the world's population growth rate has gradually become faster.

Natural population growth rate = birth rate – death rate

World population PPT, part 2: distribution of population

Population density generally refers to the average number of people living per square kilometer.

Areas with a population density of more than 200 people per square kilometer are the most densely populated areas in the world.

Areas with a population density of less than 1 person per square kilometer are the most sparsely populated areas in the world.

From the perspective of natural conditions

These areas have suitable temperatures, moderate precipitation, and superior natural conditions.

World Population PPT, Part 3: Population Issues

The era of population explosion - nearly 80 million people are added to the world every year.

An increase of 219,028 people per day;

An increase of 9,126 people per hour;

2.5 people are added every second;

Discussion: What problems will arise from rapid population growth?

World Population PPT, Part 4: Population Policy

Overpopulation, growing too fast → birth control policy

The population is too small and negative growth occurs → encourage childbirth policies

in conclusion

1. Population development must be compatible with social and economic development, and coordinated with the environment and resources.

2. Control the population size, improve the quality of the population, and follow the path of sustainable development.

Keywords: Free download of Geography PPT courseware for the seventh grade of Business Planet Edition, World Population PPT courseware, .PPT format;

For more information about the "World's Population" PPT courseware, please click on the World's Population ppt tab.

"World's Population" PPT courseware:

"World's Population" PPT courseware Part One: The rate of population growth Natural growth rate = natural growth rate - population death rate Differences in the natural growth rate of countries around the world 1. Calculate the natural population growth rate of each country. 2. Talk about their differences. Nigeria and its...

"World's Population" PPT:

"World's Population" PPT Part One Content: Learning Objectives 1. Know the current total world population and the characteristics of world population growth. 2. Know the characteristics of world population distribution and briefly analyze the reasons for its formation. 3. Preliminarily understand the world population problem and understand overpopulation..

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Update Time: 2024-10-19

This template belongs to Geography courseware Business Planet Edition 7th Grade Geography Volume 1 industry PPT template

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