Air transport, freight (million ton-km)

Air carrier data per country refers to passengers carried by airlines registered in that country regardless of the origin or destination of the passengers.

Registered carrier departures worldwide are domestic takeoffs and takeoffs abroad of air carriers registered in the country.

Goods transported by railway are the volume of goods transported by railway, measured in metric tons times kilometers traveled.

Passengers carried by railway are the number of passengers transported by rail multiplied by kilometers traveled.

The total length of rail line in the country operated for passenger transport, goods transport, or both.

International tourism expenditures are expenditures of international outbound visitors in other countries, including payments to foreign carriers for international transport. These expenditures may include those by residents traveling abroad as same-day visitors, except in cases where these are important enough to justify separate classification. For some countries they do not include expenditures for passenger transport items. Their share in imports is calculated as a ratio to imports of goods and services, which comprise all transactions between residents of a country and the rest of the world involving a change of ownership from nonresidents to residents of general merchandise, goods sent for processing and repairs, nonmonetary gold, and services.