The clip makes an excellent starting point to a lesson on development and it brings up so many social and economic issues:
- Social and economic disparities
- Impacts of war and disease on life expectency (watch Belarus, Ukraine and Russia c1940)
- Uneven development within countries
- Resource-rich countries (Follow the green dots)
- Convergent economies
If you wish to manipulate the graph yourself in a lesson then go to Gapminder.com whic will let you move backwards and forwards along the time line, identify the countries and also track their progress.
I particularly like this clip as a useful tool to help teach 'Good Geography': you can see patterns and then have to investigate the processes that caused them. There is also extrapolation or application, when Hans looks to the pattern in 2050 ...
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