introduction to population

Today in class we started Unit 2. Our first topic in Unit 2 is Introduction to population. Population is the size and distribution of the earths human population. Demography is the social science which entails the statistical study of human population.
CNI.NIR- CBR-CDR= (something) divided by ten and that gives us the rate of natural increase.
.9%- annual growth rate
CDR- crude death rate, #of death/1000
CBR- crude birthrate, # of births/100
8-14=-6/10 = -.6
 CBR is greater then CDR goes up
CDR is greater then CBR goes down
Total fertility rates- average number of children born per women (age 15-45)

Today in class we focused on components of population growth and the progression of population over time. We also discussed TFR+IMR on population statistics. The 3 components of population change are crude birth rate (CBR0, crude death rate(CDR), and Natural increase rate(NIR).

Crude birth rate is the total number of live birth in a year for every 1000 people alive in society. Crude death rate is the total number of deaths in a year for every 1000 people alive in society. Natural increase rate is the percentage ny which a population grows in a year.
Computation: CBR-CDR=NIR.
Ella:
United States
1. 329.3million
2. .8%
3. 1.80 births per women
4. young- 18.62% old- 16.03%
5. 78.69 years
6. 3,788,235
7. 8.5 per thousand population
8. 5.7 deaths/1,000 live births
9. 3.8 migrant(s)/1,000 population
Mexico
1. 125,959,205
2. 1.09%
3. 2.22 children born/woman
4. young: 26.61% old: 7.26%
5. 76.3 years
6. 18.1 births/1,000 population
7. 5.4 deaths/1,000 population 
8. 11.3 deaths/1,000 live births
9. -1.8 migrant(s)/1,000 population
China
1. 1,384,688,986
2. 0.37%
3. 1.6 children born/woman
4. young: 17.22% old: 11.27%
5. 75.8 years 
6. 12.1 births/1,000 population 
7. 8 deaths/1,000 population
8. 11.8 deaths/1,000 live births
9. -0.4 migrant(s)/1,000 population
Russia
1. 142,122,776
2. -0.11%
3. 1.61 children born/woman
4. young: 17.21%old: 14.66%
5. 71.3 years 
6. 10.7 births/1,000 population
7. 13.4 deaths/1,000 population
8. 6.7 deaths/1,000 live births
9. 1.7 migrant(s)/1,000 population

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