Life expectancy

Standard SS7CG3 The student will analyze how politics in Africa impacts standard of living. SS7E3 The student will describe factors that influence economic growth and examine their presence or absence in Nigeria and South Africa.

Essential Questions What is life expectancy? How does standard of living influence life expectancy? How does GDP influence life expectancy?

Life expectancy child deaths … is the average lifespan a newborn can expect … is short when child deaths are common

Life expectancy (years) 100 80 60 40 20 Sweden Life expectancy (years) 81 years Burundi 50 years 1000 100 1 Population (millions) 20 000 $ 2000 $ 200 $ Income per person (comparable dollars per year)

Burundi Can you get old in Burundi? Life expectancy (years) 100 80 60 40 20 Burundi Life expectancy (years) Burundi 50 years 1000 100 1 Population (millions) Can you get old in Burundi? 20 000 $ 2000 $ 200 $ Income per person (comparable dollars per year)

2007 Burundi 2007 Burundi Life expectancy (years) Age (years) 100 80 60 40 20 Burundi Burundi 2007 2007 Life expectancy (years) Age (years) Burundi 50 years 1000 100 1 Population (millions) 20 000 $ 2000 $ 200 $ Income per person (comparable dollars per year)

2007 2007 Look at the expected life of five newborn Burundians… 100 80 60 40 20 Burundi Look at the expected life of five newborn Burundians… 2007 2007 Life expectancy (years) Age (years) Burundi 50 years 1000 100 1 Population (millions) 20 000 $ 2000 $ 200 $ Income per person (comparable dollars per year)

How long will they live… 100 80 60 40 20 Burundi 2007 How long will they live… Age (years) …if conditions remain as in Burundi in 2007 during their whole lifetime? Pierre Liz Jean Ann Sarah

2007 84 72 57 36 1 Pierre Liz Jean Ann Sarah Burundi Age (years) 100 80 60 40 20 Burundi 84 2007 72 Age (years) 57 36 1 Pierre Liz Jean Ann Sarah

2007 old 84 72 adult 57 36 child 1 Pierre Liz Jean Ann Sarah Burundi 100 80 60 40 20 old Burundi 84 2007 72 adult Age (years) 57 36 child So yes, 2 of 5 get old in Burundi 1 Pierre Liz Jean Ann Sarah

This is the Life Expectancy 100 80 60 40 20 Calculate the mean… Burundi 84 2007 This is the Life Expectancy 1+36+57+72+84 5 72 = 50 Age (years) 57 50 years 36 1 Pierre Liz Jean Ann Sarah

2007 84 72 57 36 1 Burundi Life expectancy (years) 100 80 60 40 20 Burundi 84 72 57 36 1 2007 Sweden Life expectancy (years) 81 years 31 years Burundi 50 years 1000 100 1 Population (millions) 20 000 $ 2000 $ 200 $ Income per person (comparable dollars per year)

Sweden Do all Swedes live 31 years longer than the Burundians? 100 80 60 40 20 Sweden Life expectancy (years) 81 years 1000 100 1 Population (millions) Do all Swedes live 31 years longer than the Burundians? 20 000 $ 2000 $ 200 $ Income per person (comparable dollars per year)

2007 2007 Look at the expected life of five newborn Swedes… Sweden 100 80 60 40 20 Sweden 2007 Sweden 2007 Life expectancy (years) 81 years Age (years) Look at the expected life of five newborn Swedes… 1000 100 1 Population (millions) 20 000 $ 2000 $ 200 $ Income per person (comparable dollars per year)

How long will they live… 100 80 60 40 20 Sweden How long will they live… 2007 Age (years) …if conditions remain as in Sweden in 2007 during their whole lifetime? Per Lisa Jan Anton Sara

2007 93 88 84 77 63 4 old 1 adult Per Lisa Jan Anton Sara Sweden 100 80 60 40 20 88 Sweden 84 2007 77 63 Age (years) 4 old 1 adult Per Lisa Jan Anton Sara

2007 =81 93 88 84 77 63 Calculate the mean… 63+77+84+88+93 5 Per Lisa 100 80 60 40 20 88 Sweden 84 2007 77 81 years 63 Age (years) Calculate the mean… 63+77+84+88+93 5 =81 Per Lisa Jan Anton Sara

2007 Sweden Life expectancy (years) 100 80 60 40 20 Sweden 2007 Sweden Life expectancy (years) 81 years 1000 100 1 Population (millions) 20 000 $ 2000 $ 200 $ Income per person (comparable dollars per year)

Let’s compare Sweden Burundi

Life expectancy (years) 100 80 60 40 20 Sweden Life expectancy (years) 81 years Burundi 50 years 1000 100 1 Population (millions) 20 000 $ 2000 $ 200 $ Income per person (comparable dollars per year)

100 80 60 40 20 2007 81 Age (years) 50

2007 Age (years) 100 80 60 40 20 “To live long” in Sweden “To live long” in Sweden is almost the same as “to live long” in Burundi 2007 Age (years) But “dying young” in Sweden is very different from “dying young” in Burundi So, no, all Burundians do not live 31 years shorter than Swedes

Life expectancy … is an average … is low when child- deaths are common -Most Burundians get older than 50 -Some die in childhood … is low when child- deaths are common -It is low in Burundi not because all die a bit earlier -But because some die much younger