Tanker share of total transit calls falls to 23%
Tanker share of total transit calls is about 33 percentage points below its trailing-year average of 56%. This is about 59% below the trailing-year average.
Tanker share of total transit calls falls to 23%
Tanker share of total transit calls is about 33 percentage points below its trailing-year average of 56%. This is about 59% below the trailing-year average.
Current 23%·vs trailing-year norm -33pp·week over week -31pp·Latest data update: Mar 8, 2026
About the data
Weekly average of daily transit calls
Source data may be revised by the IMF.
PortWatch is an IMF platform that uses AIS vessel-tracking data to estimate maritime activity at ports and major chokepoints. It is strong institutional data, but derived from vessel movements rather than a customs record.