GlobalCostData is a free, data-driven resource for comparing the cost of living around the world. Its 2026 coverage includes 199 countries and more than 1,000 cities, with indices calibrated against New York City, set at 100. The site helps users explore differences in everyday expenses, including rent, groceries, and salaries, and provides country and city information for people considering a move, planning travel, or researching life abroad.

Visitors can browse country and city data, compare locations head to head, and explore 276 curated rankings, including lists of the most and least expensive countries. Regional guides cover Europe, Southeast Asia, Latin America, and the Middle East. GlobalCostData says its information draws on datasets from organizations including the World Bank, the International Labour Organization, the United Nations, UNDP, and the OECD, alongside its own research. The site describes its data as verified in July 2026 and provides information about its methodology and sources.