The world has enough for everyone’s need but not enough for everyone’s greed”

-Mahatma Gandhi

IB Expectation: Describe the variations in health as reflected by changes in life expectancy at national and global scales since 1950. Explain the patterns and trends in terms of differences in income and lifestyle.

 Life Expectancy at Birth:


Daily Calorie Intake per capita


GDP Per Capita by Country of Year 2011


 Changes in income and life expectancy over time:


What is the relationship between health and life expectancy? Do longer lives necessarily mean healthier lives?

Which of the indicators we have discussed today would be the best indicator f health?


Exercise: On an A4 paper, using gapminder, chartsbin or a similar source, create an annotated graph depicting the changes in life expectancy from 1950 to 2012 in a variety of countries in terms of income and lifestyle. (mix of MEDC, LEDC, NIC and OPEC countries)