Problems associated with overpopulation

There are many problems associated with over population. These problems are diverse and most visible in highly populated countries. Problems like these are associated with each other and countries are floating in dark to reach a solution.

• Inadequate fresh water: Water purification system is a very expensive and timely process. Developing countries are using energy expensive desalination to meet the water demand. This is not possible for least developed countries.
• Depletion of natural resources: Natural resources are scarce and costly. People are heavily dependent on these resources. The over population is constantly diminishing this limited resources.
•  Air Pollution, Water Pollution, Soil Contamination and Noise Pollution: Once a country becomes overpopulated, these pollutions become a common problem.
• Deforestation and loss of ecosystems^: About eight million hectares of forest are lost each year. This rate is increasing every year. The ecosystem is also loosing balance.
• Changes in atmospheric composition and consequent: Global warming has become a much talked issue in the recent past. With the increase in the population, atmospheric composition is also changing and loosing the balance.
• Loss of arable land: Human activity has increased the global rate of soil erosion three-fold since pre-historic times. Soil erosion and other forms of land degradation now rob the world of 70-140 000km2/year of farming land. Urbanization alone is responsible for the loss of 20-40 000km2/year. Worldwide, soil erosion has caused abandonment of 4.3 million km2 of arable land during the last four decades.. We are losing 100 billion tones (100 gig tones) of topsoil every year. This is five times faster than nature can create it.
• Species Extinctions: Species are largely dependent on farming and cultivation. The increased population is directly or indirectly helping the extinction of many species. This is ultimately reducing the balance of the ecosystem.
• Low life expectancy: It is evidenced that life expectancy is reducing in countries with fastest growing population.
• Elevated crime rate due to drug cartels and increased theft by people stealing resources to support their living, crime rate in overpopulated countries has increased.

These problems will not go away in days or years. This will take decades to reach a solution. Only and if only, we all are self aware of the problems and help our community to control the population rate.

Freshwater Supply - Alarming problem for increasing population size

Population growth has diversified effects on the planet. One of those is to meet the increasing demand of fresh water supply around the world.

Thirsty people severely rely on limited supply of fresh water. Fresh water supply has firmly become a common problem for most developing countries in the world like Somalia, India, Bangladesh etc. This is due to the lack of water purification systems adopted by those countries. But the main point of concern is that with the increasing population, this will become a deadly issue for the developing countries. Diseases related to fresh water and sanitation is frighteningly  increasing in those countries. Some countries like Saudi Arabia, uses energy expensive desalination to solve the problem of water shortage. But the developing countries cannot afford it. Some expert advice, large scale saltwater desalination plants can supply more fresh water. But this could be the solution for large economic countries. Developing countries urgently required to find a solution  to meet the demand for upcoming freshwater supply.

Organizations like UN, World Bank should come forward to find a solution for fresh water supply of the developing and under developed countries. This could be by means of finance, aid or technological support.

Soon the world population will reach 7 billion. Can population growth have a positive impact for the human race?

Globally, now, the average woman has about 3 children. In 1960s the average woman had about 6 children. Even in African countries the population growth is coming down. However, having a large family is still a problem for a family as well as for a country. But still, there are some families who take them as usual and do not regret to have large family.

Here are the answers why some people believe that population growth has some positive impact:

1.  Someone have to look after when you are old. If you have more children, you will have more hands to look after you. Especially in the countries, where people have no govt. security, or pension, medical insurance etc.
2. If you are a farmer or a businessman, you will have more hands to use for your business or farming in the field. It means that you don’t have to depend upon others to run your business. You can meet up your own labor forces at your home plus your labor cost is decreasing.
3. With the increase of the population, the productivity of food, shelter and other basic human needs are also increasing. Cause, you have more hands to work and produce. But the problem is whether this increased population will be a skilled manpower. If they do not become skilled manpower, then they will become a burden for the family, burden for the state. Thus, increase in the skilled manpower always a blessing for the family and for the state.
4. More people mean more consumption. This increased consumption will create demand for more foods, shelter and etc.This will lead to the increase in global productivity 

However, Population growth is still a threat for the world. The donor agencies should be more focused on this issue to keep the population growth in control.

World Population Statistics

World population statistics by 2010 (estimated) of the top 25 countries by their total population is provided below. The selected countries' land area and population density is also given here. Bangladesh is among the seventh largest country in the world by its population size. Whereas, by land area it is 92th country in the world.

According to World population history, about 70,000 years ago, there was dramatic collapse of the human population. After that the human population has continued its development and growth till now. By AD1 to 1750, the population growth rate was 0.1%, whereas, by 1750 to 2000 it has increased to 0.8%. According to a estimation, the world population by 2010 was 6.9 billion.

The most densely populated cities in the world

The cities with a population above two million with the highest population density, according to the book "The Top 10 of Everything" are:

1. Hong Kong, China

2. Lagos, Nigeria

3. Dhaka, Bangladesh

4. Jakarta, Indonesia

5. Mumbai, India

6. Ahmadabad, India

7. Ho Chi Minh City, Vietnam

8. Shenyang, China

9. Bangalore, India

10. Cairo, Egypt

My Experience

I always fear of my landlord. Because if he tells me to free the house next month, I would have to find another house, shift their and make new setting. But finding a house of my expectation and within my financial range is a luck I say.