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RWI/ISL Container Throughput Index: Significant Recession of Container Throughput in Chinese Ports

The current flash forecast for the Container Throughput Index of RWI – Leibniz Institute for Economic Research and the Institute for Shipping Economics and Logistics (ISL) indicates a seasonally adjusted decrease of 0.5 points to 122.8 points in April. Container throughput decreased significantly especially in China. However, outside of China, container throughput recovered slightly.

The essence in a nutshell:

  • In April, the RWI/ISL Container Throughput Index decreased seasonally adjusted from 123.3 (revised) to 122.8 points.
  • A significant decrease of container throughput was observed in Chinese ports. The index decreased from 132.5 to 130.2 points.
  • The North Range Index, an indicator for economic development in northern Europe and Germany, has recorded an increase in April from 113.1 (revised) to 114.2.
  • The RWI/ISL Container Throughput Index for the month of May 2022 will be published on June 30th 2022.

Commenting on the development of the Container Throughput Index, RWI’s head of economic research, Torsten Schmidt says, “Supply chain disruptions have been easing up in many ports in April. In Chinese ports, on the other hand, the effects of the lockdown begin to show, which itself impacts global trade. The effects of this will be felt in Europe in a few weeks as well.”

About the RWI/ISL- Container Throughput Index:

The RWI/ISL Container Throughput Index consists of container throughput data from 90 international ports gathered continuously by the ISL Monthly Container Port Monitor as part of its market observation. These ports account for approximately 64 percent of global container traffic. The current flash estimate for the Container Throughput Index is based on data from about 76 percent of the total index displayed here. As international trade is handled primarily by sea, reliable conclusions can be drawn here from container port throughput data. Furthermore, the index is a reliable early indicator of international trade of manufactured goods as well as global economic activity as most ports already report their activities within two weeks after the end of each month. The container throughput index is part of the statistics on foreign trade in the „Dashboard Deutschland“ of the Federal Statistical Office.

Data series for individual ports are available in the ISL Monthly Container Port Monitor.

For more background information on the RWI/ISL Container Throughput Index, see

Your contact persons:

Prof. Dr. Torsten Schmidt, Phone: +49 (201) 8149-287,
Leonard Knollenborg (Communication), Phone: +49 (201) 8149-210,

Data Container Throughput Index and North Range Index

Graphic Container Throughput Index in printable resolution

RWI/ISL-Container Throughput Index: North Range

Graphic in printable resolution

Data for special evaluation excluding chinese ports