A passenger manifest is a formal document or digital record maintained by a carrier—such as an airline, cruise line, or train operator—that provides a comprehensive list of every person on board a specific trip. In 2026, these manifests are highly sophisticated and integrated with international security databases. They typically include the passenger's full legal name, date of birth, gender, nationality, and passport or government ID details. For international travel, this data is often transmitted to immigration and customs authorities before the vehicle even departs (known as Advance Passenger Information or API). The manifest serves several critical purposes: it ensures the vehicle does not exceed its safety capacity, assists in border control and security screening, and acts as the definitive record for rescue and recovery teams in the event of an emergency. For commercial carriers, the manifest is also a vital administrative tool used to track ticketed passengers, manage seat assignments, and process billing and insurance claims for the journey.