The dataset covers the number and gross tonnage of national active fishing vessels—vessels that, at the time of reporting, are active and engaged solely in catching operations. This includes all types of vessels: industrial and artisanal, motorized and unmotorized, decked and undecked, fishing in marine and inland waters. Data are broken down by length classes, expressed in meters. The unit of measure ‘Vessels’ should be read as ‘Number of vessels’.