Dataset - TDC Data Portal

Organisations

Container port traffic (TEU: 20 foot equivalent units)

UNCTAD ( unctad.org/en/Pages/statistics.aspx )
- CSV
Railways, passengers carried (million passenger-km)

Internation Union of Railways ( UIC Railisa Database ), OECD Statistics
- CSV
Railways, goods transported (million ton-km)

Internation Union of Railways ( UIC ), OECD Statistics
- CSV
Rail lines (total route-km)

Internation Union of Railways ( UIC )
- CSV
Air transport, passengers carried

International Civil Aviation Organization, Civil Aviation Statistics of the World and ICAO staff estimates.
- CSV
Air transport, freight (million ton-km)

International Civil Aviation Organization, Civil Aviation Statistics of the World and ICAO staff estimates.
- CSV
Air transport, registered carrier departures worldwide

International Civil Aviation Organization, Civil Aviation Statistics of the World and ICAO staff estimates.
- CSV

You can also access this registry using the API (see API Docs).