Jersey has a high cost of living, due to transport costs and a lack of competition. In January 2021, Numbeo, an online cost-of-living index, reported that Jersey was the world's 'most expensive place to live'.

While Jersey, a British Crown Dependency in the Channel Islands, is consistently ranked as one of the most expensive places to live globally, it is not usually the absolute #1. In 2026, it often sits in the top five alongside destinations like Monaco, the Cayman Islands, and Switzerland. Its high cost of living is driven by a unique combination of factors: it is a prominent offshore financial hub with a high concentration of wealth, a limited land area that creates a severe housing shortage, and a heavy reliance on imported goods (from food to energy), all of which inflate daily consumer prices. Property prices in Jersey are famously steep, often rivaling or exceeding those in central London. While it may not technically be "the most" expensive—a title usually reserved for places like Monaco or Zurich—it is undeniably one of the most financially demanding locations in the world. For most travelers and residents, the perception of Jersey as "the most expensive" often stems from the high cost of essential services and the premium nature of its local real estate market.