The Economist produces quality audio annotated presentations on a number of topics. Here are a few recent ones:
Official retirement ages have failed to keep pace with rising life expectancy, making pensions increasingly unaffordable. In practice many people in the rich-world OECD countries retire several years early, which lets them enjoy, on average, some 19 years in retirement before death.
Based on Freedom House’s 2010 survey.
THE Big Mac index is based on the theory of purchasing-power parity (PPP)-exchange rates should equalise the price of a basket of goods in different countries. The exchange rate that leaves a Big Mac costing the same in dollars everywhere is our fair-value benchmark. So our light-hearted index shows which countries the foreign-exchange market has blessed with a cheap currency, and which has it burdened with a dear one.
An addictive collection of beautiful charts, graphs, maps, and interactive data visualization toys -- on topics from around the world.