Estimates of World Seaborne Trade in Real Time:
A Proof of Concept for Building AIS-based Nowcasts from Scratch

This is an experimental-data section. The estimates presented here are provisional, and not official statistics.

Please cite these estimates as: Cerdeiro, Komaromi, Liu and Saeed (2020); AIS data collected by MarineTraffic; available at UN COMTRADE Monitor. When consuming the data, users should understand its limitation. For a complete description of the methodology, please consult the paper, especially Sections I and VI.

The earliest date available is April 1, 2015. The data is updated every week.

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num_pc = number of port calls
mtc = metric tons of cargo
dwt = deadweight tonnage
suffix ma = 30-day moving averages