Comment by Y_Y

The IUU report[0] gives such a ranking in Table 4. Ten worst-performing countries.

for IUU fishing scores by type, for all types of state responsibilty:

China, Russia, South Korea, Somalia, Yemen, Taiwan, Ukraine, Eritrea, Egypt, Libya.

[0] https://globalinitiative.net/wp-content/uploads/2021/12/IUU-...