Geog Population growth 2014 0.0 / 5 ? GeographyRock landscapes and processesGCSEAQA Created by: AnjelalaCreated on: 21-05-14 00:51 Describe how population of the world is changing? It is growing at an exponential rate. 1 of 15 2 things that affect population size of the world? 1)Birth rate 2)Death rate 2 of 15 define Birth rate? Number of live babies per thousand of the population per year. 3 of 15 define Death rate? Number of deaths per thousand of the population per year. 4 of 15 Explain Natural increase? When the birth rate i higher than the death rate , so the population grows. 5 of 15 Explain Natural decrease? When the death rate is higher than the birth rate 6 of 15 define Migration? movement of people from one area to another area 7 of 15 What is a Demographic transition Model? Shows the 5 stages of population growth that countries go through 8 of 15 DTM Stage one ? 1)Birth R : high+Fluctuating 2)Death R: high+Fluctuating 3)Pop'n growth R: zero 4)Pop'n size : Low and steady 9 of 15 DTM stage two? 1) Birth R: High and steady 2) Death R: Rapidly falling 3) Pop'n growth rate : Very high 4) Pop'n size : Rapidly increasing 10 of 15 DTM stage three? 1) Birth R: Rapdily falling 2)Death R:Slowly falling (3) Pop'n growth R: High (4) Pop'n size : Increasing 11 of 15 DTM stage four? 1) Birth R: Low and fluctuating 2)Death R: Low and flctuating 3)Pop'n growth R: zero 4) Pop'n size : High and steady 12 of 15 DTM stage five? 1)Birth R: Slowly falling 2) Death R: Low and Fluctuating 3)Pop'n growth rate : Negative 4) Pop'n size : Slowly falling 13 of 15 What type of country would be in the earlier stage of DTM? Poorer , less developed 14 of 15 What type of country would be in the later stages? Richer, more developed 15 of 15
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