Comparison is the thief of joy
The BIS effective exchange rate (EER) indices cover 60 economies, including individual euro area countries and, separately, the euro area as an entity. The most recent weights are based on trade in the 2014-16 period, with 2010 as the indices' base year. Broad indices comprise 60 economies. Narrow indices comprise 26 and 27 economies for the nominal and real indices, respectively.
The Bank for International Settlements also provides statistics that track developments in residential property prices across the world in real prices. The selected residential property prices are harmonised as much as possible with recommendations in the Handbook on residential property prices, an internationally agreed framework for classifying property price issues.