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Analysis: The total dependency load for Greece is relatively balanced as it only has a dependency load of 35.1%.

Ethiopia’s total dependency rate is 49.3% which is extremely high compared to other countries. And Canada’s total dependency rate is a little higher than average compared to other countries.

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Analysis:Greece has an extremely low birth rate as only 3.7% of the population are in the age group(0-4). This means that there are not many people having kids in Greece. Ethiopia has an average birth rate with 14.7% of the population in the age group of 0-4. This means that an average amount of people are actually having kids.

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Analysis: Greece has a lot of people that are 75+ years old which shows that Greece has a high life expectancy.

Ethiopia has an extremely low life expectancy as it only has 1% of its population in the age group of 75+ years old.

Canada’s life expectancy rate is average as it has a decent amount of people in the age group of 75+ years old.

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Dependency load- The percentage of the population that isn't working. It is conventionally defined as including people younger than age 15 and older than age 65.

Birth rate- The number of births in a population per year per 1000 people.

Life expectancy- The number of years a person can expect to live.

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These differences in dependency load occur because in different countries, there might be different cultural expectations or certain traditions that have to be followed. Also in different countries, there might be not enough people that are able to work so that is another factor.

The differences in birth rate might occur because of financial stability and if they can actually afford to raise children. In well developed countries, women might choose not to have kids and focus on their careers or themselves more. Also there might be some cultural expectations in terms of having kids so that is also another factor that might affect the birth rate in different countries.

The differences in life expecancy in different countries might occur because of differences in health care, how clean the cities are, access to resources, pensions, disease preventions and even physical activities to help them be active. All these factors have an effect on a countries' life expectancy rate.

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Life expectancy, birth rate, and dependency load are important because they affect how a country grows and manages its resources. High birth rates and low life expectancy often mean more young people needing schools and healthcare, which can stretch a country’s resources. On the other hand, low birth rates and longer life expectancy can lead to fewer workers and more elderly people needing support, which can strain the economy. Understanding these factors helps countries plan better for jobs, healthcare, and education to meet their needs.