Most brands pursuing a Costco Roadshow think of Costco as an American story. And it is — the United States remains by far the company's largest single market, with 634 of its 924 warehouses operating domestically. But in 2026, the Costco story is increasingly and decisively becoming a global story. The company now operates warehouses across 14 countries on five continents, and its international markets are not simply following the domestic business — in many cases they are ou