A New Unit: Population Migration

We started a new unit today in Human Geography. The main topics covered life expectancy, migration, and the fertility rate. The life expectancy is the average number of years to be lived by a group of people born in the same year. Over seven million people are living in the world, and there are more to come. Immigration is an excess of people entering the Country, normally this will be positive. The opposite of immigration is emigration and that is excess of people leaving the Country, this will be a negative. 90% of the Earth's growth and population comes from Africa, South and East Asia, and Latin America. The death and birth rate are calculated by the number of births/deaths per 1,000 of the population. To find the rate of natural increase you have to subtract the death rate from the birth rate, and then divide that by ten, this is called the annual growth rate. Push forces, and pull forces are leaving a Country for a reason, or for coming to a Country for a certain reason. Some push forces are, wars, unemployment, religious, and persecution. Some of the pull forces are better economic opportunity, religious and political freedom, and better health care. The fertility rate is the average number of children born. For the world to stay at the same population the fertility rate would need to be 2.1 every year. The world's population continues to grow rapidly.