Causes of Population Growth

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This note provides an information about causes of population growth.
Causes of Population Growth

The size of population keeps on changing. It increases or decreases according to time and space. The major factors affecting population are birth, death and migration. Birth increases the population while death decreases the population. Migration also causes population change. Internal migration does not make any changes but international migration makes the differences in the size of population. But as a whole, migration does not effect in the size of population change.

Birth and death are considered as the natural factors of population but migration is considered to be an artificial effecting factor of population change.

Factors affecting the population change

Birth


The birth is a chief natural factor affecting the population change. It results into the increase of population. Higher birth rate, quicker the population growth. The following are the prominent factors which plays an important role in increasing population, they are:

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  1. Ignorance: Education plays a very important role in the population growth control. It helps to change the though, opinion and thinking of man. It brings important change in the life of people. It helps to make life happy. Uneducated people cannot decide what is wrong and what is right wrong and what is right. Because of illiteracy females produce more number of children and don't know about the adaption method for family planning. They cannot provide nutritious food to their children. They have less opportunity for employment. Therefore, most of the uneducated families are poor.
  2. Status of family: Fertility also depends upon the status of women. Women from the higher social status love to have small family. It is naturally interior social status likes to bear the burden of motherhood of a large family. Educated and employed woman also avoid having big families.
  3. Polygamy:The tradition of polygamy at certain places in our society even today. Thus, a man having more than one wife produces more children which naturally increase the population of the country.
  4. Lack of health education:Every people know that health is very necessary. Health education teaches man about nutritious food, measure for maintaining health, methods of protection from diseases, etc. people do not take nutritious food which causes malnutrition due to the lack of health education. It increases infant mortality rate.
  5. Unemployment:The people of developing countries are surrounded by the problem of unemployment. It plays vital role in growing the population. The majority of people have to sit without work. Thus, the male and female have to pass their lives without the source of entertainment, so they involved in sex. In such condition there is more possibility of more children. Therefore, problem of unemployment helps increase in population.
  6. Poverty:Poverty is one of the major factors of population growth. There are thirty eight percent of people of the total population who are below the poverty line. These people are facing a lot of problems and its hard for them to maintain day to day life. They think that their children are the only source of income for them. Therefore, they bear the children.


Death


Death is an important natural cause to bring change in population. It decreases the population of a country. Reduction in death rate automatically brings down the birth rate. The main reason for the decrease in death rate in Nepal is the decrease in the infant and child rate. The following are the factors responsible for the death they are:

  1. Illiteracy:Due to lack of proper knowledge of child care, infant and child rate are increasing in Nepal. It is because of illiteracy, people go to seek the treatment from witch doctor instead of visiting doctors for medical treatment. They believe in superstition. They also die due to simple diseases because of their superstitious believe.
  2. Disease:The diseases are also one of the reason of high death. The people die most often due to chronic disease, and fatal diseases.
  3. Climate:The climate of a place or region or country plays a vital role in the determination of death rate. The people living in hot place die quickly more in number than the people living in cold climate. The people living in hot place becomes old very soon. Due to hot climate, disease is immersed and transmits. But people living in cold climate do not suffer from it and there is less chance of transformation of diseases.
  4. Lack of nutritious food:Easily available local cereals like pulses, food grains, green vegetables and fruits, etc. and animal products like fish, meat, eggs and milk products are the sources of nutrition. Nutritious food helps in growth and development of the body and protects the body from different diseases. There must be a good combination of protein, vitamin, carbohydrates, minerals, fat, etc. in our food helps for our healthy development and increases our immune power. But lack of nutritious is most common problem in our country and it is one of the causes of death in our country.
  5. Natural calamities:The unwise and unethical activities of human beings such as deforestation, establishing industries in urban areas and other irresponsible activities are responsible for the degradation of environment.


Things to remember
  • The major factors affecting population are birth, death and migration.
  • Birth and death are considered as the natural factors of population but migration is considered to be an artificial effecting factor of population change.
  • Reduction in death rate automatically brings down the birth rate.
  • It includes every relationship which established among the people.
  • There can be more than one community in a society. Community smaller than society.
  • It is a network of social relationships which cannot see or touched.
  • common interests and common objectives are not necessary for society.
Questions and Answers
Infants are greatly affected by consumer health.

The major factor responsible for population growth are as follow:

  1. Illiteracy
  2. Economic Condition
  3. Socio-cultural and religious norms and values

If forests are destroyed global warming would increase.

Due to lack of proper knowledge of child care, infant and child rate are increasing in Nepal. It is because of illiteracy, people go to seek the treatment from witch doctor instead of visiting doctors for medical treatment. They believe in superstition. They also die due to simple diseases because of their superstitious believe.

The causes of decreasing populationare :

  • Illiteracy
  • Diseases
  • climate
  • Lack of nutritious
  • Natural calamities

Natural calamities like landslide, earthquake, floods, and fire can destroy our life and property.

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