This is a assortment of countries' inflation rates, sourced by Quandl. The countries are represented by their ISO 3166-1 alpha-3 codes in the options, and at the moment include:
ARG, AUS, CAN, CHE, DEU, EUR, FRA, GBR, ITA, JPN, NZL, RUS, USA
Included is a correlation to the current chart and the selected inflation rate. The correlation compares the monthly moving averages of YOY inflation and the chart closes over a period of two years. At the moment this doesn't seem to be the most efficient method of correlation/comparison, should there be one to begin with.