The Economist has released its latest update of the Big Mac
Index:
The piece also provides a good discussion on PPP exchange
rates.
Related:
Comparing GDP figures –
Rankings Based on PPP Exchange Rates and Market Based Exchange Rates:
Latest World Bank Figures:
PPP Based GDP - http://databank.worldbank.org/data/download/GDP_PPP.pdf
Market Exchange Rates Based GDP - http://databank.worldbank.org/data/download/GDP.pdf
Market Exchange Rates Based GDP - http://databank.worldbank.org/data/download/GDP.pdf