Population

Today in class we talked more about population. A word we went over was Life Expectancy which is the average number of years to be lived by a group of people born in the same year. We then talked about the highest life expectancy is in Monaco, there were 89.52 people total, there were 85.63 men and 93.58 women. Then, we said the lowest population was Chad, with there being 49.81 people total, and having 48.64 men and 51.03 women. Next, we learned about measuring population, which included crude birth rate and crude death rate. The definition of crude birth rate is the number of births per 1,000 of the population, and crude death rate being the number of deaths per 1,000 of the population. We also went over the rate of natural increase (RNI), this is produced subtracting the death rate from the birth rate, and that gives the annual natural growth rate- in percentage form- for a country or region. Next, we looked up which countries had more death rates than birth rates, some of the countries were Germany, Russia, and Japan. Lastly, we learned about net migration which measures the difference between the number of persons entering the country during a year. When the migration is written as a positive it is an excess of people coming into the country (immigration), an example is Canada. Canada has 5.65 migrants per 1,000 population, that shows that there are a lot of people who were going into Canada. Aa excess of persons leaving the country is net emigration. You can us a negative to represent emigration. An example is Mexico, it has -1.68 migrants per 1,000 population, and two years ago the number was -3.61. This now shows that the rate of Mexico is increasing because the negatives are getting closer to positive numbers.

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