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Population explosion

Population explosion is the rapid rise in the size of population.

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Population explosion

  1. 1. Ms Manisha Ms Manisha Assistant Professors Faculty of Nursing, SGT University
  2. 2. Ms Manisha
  3. 3. The population of India was around 361 million during the census of 1951. In 2020:1,380,004,385 people at mid year. (UN data) India, is the second most populous country in the world, after China. India is predicted to have more than 1.53 billion people by the end of 2030. INTRODUCTION Ms Manisha
  4. 4. INTRODUCTION (Contd…) It is sudden and rapid rise in the size of population. A drastic growth in population beyond normal limits is called population explosion. Population explosion or overpopulation denotes a situation in which the number of people living in a country rapidly exceeds its carrying or sustaining capabilities. Ms Manisha
  5. 5. Is POPULATION EXPLOSION determined only by size of population??? Ms Manisha
  6. 6. Population explosion is a condition when an organism number exceeds the carrying capacity of its habitat. Not just determined by size of population Determined by ratio of population to available resources Ms Manisha
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  9. 9. CAUSES OF POPULATION EXPLOSION Ms Manisha
  10. 10. • High birth rate • Declining death rate • Better medical facilities • Increase Immigration • Decrease in Emigration • Illiteracy Causes of population explosion Ms Manisha
  11. 11. • High birth rate Birth rate is the no of child born /1000 live birth in a specific population in a year. Still higher than death rate. Reasons: The advent of better medical facility, economic prosperity, social beliefs related to fertility and birth Ms Manisha
  12. 12. • Decrease in Death Rate: The decline in death rate is on e of the fundamental cause of over population. The advancement in medical field has resulted in decrease in death rate. Reasons: Good and clean atmosphere, sufficient nutrients, better medial facility has provided longer and healthy life. Ms Manisha
  13. 13. . Increase in life expectancy: • Due to improved living conditions, better hygiene and sanitation habits, better nutrition, health education etc. the average life expectancy of human population has improved significantly. Ms Manisha
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  15. 15. INDIA Ms Manisha
  16. 16. • Better Medical facility: New inventions of medicines, vaccines, awareness towards better health and control of various diseases like Tuberculosis, Small pox, polio cancer, has resulted in increase of population Ms Manisha
  17. 17. Migration Movement of population can cause local overpopulation. • Illegal immigrants Ms Manisha
  18. 18. • Illiteracy: Due to some social beliefs, lack of knowledge towards family planning, desire for male child are some of the factors which causes increase in population Ms Manisha
  19. 19. Cultural beliefs - Desire for male child. - Not using contraceptive methods Ms Manisha
  20. 20. EFFECTS OF Ms Manisha
  21. 21. Effects of Population explosion • Depletion of natural resources • Effect on environment • Increased global warming and climatic changes • Effect on health • Increase in Food Demand • Increase in generation of waste • Other social effects like  Unemployment  Poverty  Increase in crime rate  Over crowding of cities Ms Manisha
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  23. 23. 1. Depletion of natural resources Ms Manisha
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  25. 25. Around 1 billion people in the U.S.A and Europe make the consumption of about 84% of energy. And the rest of the world only 16% (including the most populated countries like China and India). Ms Manisha
  26. 26. 2. Effect on Environment Degradation of environment : Environmental degradation is the deterioration of the environment through depletion of resources such as air, water and soil; the destruction of ecosystems and the extinction of wildlife. Ms Manisha
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  28. 28. 3. Increased Global Warming and Climatic Changes Ms Manisha
  29. 29. 4. Generation of waste Ms Manisha
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  31. 31. 5. Effect on Health Ms Manisha
  32. 32. 6. Social Problems Ms Manisha
  33. 33. 6.a. Rise in Unemployment Overpopulation Unemployment crime Ms Manisha
  34. 34. 6.b. High cost of living Ms Manisha
  35. 35. 6.c. Poverty Ms Manisha
  36. 36. 6.d. Lack of housing Ms Manisha
  37. 37. 6.e. Illiteracy Ms Manisha
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  39. 39. STEPS TO CONTROL POPULATION Ms Manisha
  40. 40. MEASURES TO CONTROL POPULATION Social Measures Economic Measures Others Measures Ms Manisha
  41. 41. Social measures  Minimum age of marriage  Late marriages  Rising the status of women  Literacy & education  Adoption  Change in social outlook  Social security Ms Manisha
  42. 42. Economic measures  More employment  Women empowerment  Development of agriculture industry  Standard of living Ms Manisha
  43. 43. Other measures  Self control  Family planning  Publicity  Incentives  Family welfare programmes Ms Manisha
  44. 44. • Education: Education plays vital role in population growth. Improving the literacy rate particularly in woman, can help in population control. • Incentives: Certain Incentives in the form of government benefits, scholarships, to children, subsidies, exemptions from tax, can help in population control. Ms Manisha
  45. 45. • Government Benefits: The government benefits should be allowedd for those having smaller families. • Publicity: The iimportance of birth control methods for family planning, the significance of small families and related information should be published through various media, schools, books, and other sources in different local languages. Ms Manisha
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