Projecting travel costs is equal parts estimation, experience & indexing. The data for this visualation employs OECD & Worldbank indices as well as datasets produced by hotels.com, airbnb, various travel sites, as well as deliberative spot checking. The result is price estimates for accommodations, food, nightlife and activities in various global cities.

Spending patterns on holiday is as varied as each individual's spending habits in day-to-day life, so for this example we evaluated pricing based on the following assumptions: