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BELLRINGER The country with the second-largest population is 1. China 2. Indonesia 3. Russia 4. United States 5. India Which of the following is the least significant factor affecting population growth rates? 1. Doubling times 2. Sex ratio 3. Total fertility rate 4. Crude death rate 5. Crude birth rate The number of people per unit of arable land is the ? 1. Arithmetic density 2. Physiological density 3. Agricultural density 4. Land-use density 5. Population density

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Population Stats Know the math, yes I meant math. Another reasons why APHG is completely awesome. We get to do math in here!!!! Know the math, yes I meant math. Another reasons why APHG is completely awesome. We get to do math in here!!!!

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CBR: Crude Birth Rate Total # of live births for every 1000 people who are alive Total # of live births for every 1000 people who are alive Live Births ÷ (Population ÷ 1000) Live Births ÷ (Population ÷ 1000) What would be the birth rate for a country of 10,000,000 that has 100,000 live births per year? What would be the birth rate for a country of 10,000,000 that has 100,000 live births per year?

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CDR: Crude Death Rate Total number of deaths in a year for every 1000 people in a country. Total number of deaths in a year for every 1000 people in a country. Deaths ÷ (Population ÷ 1000) Deaths ÷ (Population ÷ 1000) Does a high CDR always mean that a country is undergoing a period of violence or an epidemic disease? Does a high CDR always mean that a country is undergoing a period of violence or an epidemic disease?

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NIR=Natural Increase Rate CBR-CDR/10= NIR CBR-CDR/10= NIR Why divide by 10? Why divide by 10? Number is always a percentage Number is always a percentage What is the NIR for a country with a CBR of 27 and CDR of 12? What is the NIR for a country with a CBR of 27 and CDR of 12? If that country has 10 million people, how many people were added that year? If that country has 10 million people, how many people were added that year?

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Is it possible to have a negative NIR? Is it possible to have a negative NIR?

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Net Migration Rate #of immigrants/Population ÷ 1000 - #of emigrants/Population ÷ 1000 #of immigrants/Population ÷ 1000 - #of emigrants/Population ÷ 1000

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Demographic Equation Measures total population growth Measures total population growth (CBR-CDR) + Net Migration Rate/10 (CBR-CDR) + Net Migration Rate/10

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TFR = total fertility rate # of children born/women aged 15-45 # of children born/women aged 15-45 The TFR is not an annual statistic, rather it is an estimate of fertility over a period of 30 years The TFR is not an annual statistic, rather it is an estimate of fertility over a period of 30 years

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IMR(Infant Mortality Rate) Annual number of deaths of infants under 1 year of age Annual number of deaths of infants under 1 year of age Can you think of reasons why a country’s IMR may be high? Can you think of reasons why a country’s IMR may be high?

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