| anguilla | | anisakis simplex | species | 0 | 1 |
| antarctica | | anisakis simplex | species | 2 | 0 |
| brazil | rio grande do sul | anisakis simplex | species | 0 | 1 |
| canada | newfoundland and labrador | anisakis simplex | species | 0 | 1 |
| canada | nova scotia | anisakis simplex | species | 0 | 1 |
| canada | nunavut | anisakis simplex | species | 0 | 1 |
| china | | anisakis simplex | species | 1 | 0 |
| china | zhejiang | anisakis simplex | species | 1 | 0 |
| croatia | | anisakis simplex | species | 12 | 0 |
| denmark | | anisakis simplex | species | 25 | 0 |
| denmark | capital region of denmark | anisakis simplex | species | 15 | 0 |
| denmark | region of southern denmark | anisakis simplex | species | 11 | 0 |
| egypt | | anisakis simplex | species | 18 | 0 |
| egypt | sharqia governorate | anisakis simplex | species | 2 | 0 |
| france | ile-de-france region | anisakis simplex | species | 0 | 1 |
| france | pays de la loire region | anisakis simplex | species | 0 | 1 |
| french polynesia | | anisakis simplex | species | 0 | 3 |
| germany | | anisakis simplex | species | 60 | 0 |
| germany | mecklenburg-vorpommern | anisakis simplex | species | 0 | 1 |
| germany | schleswig-holstein | anisakis simplex | species | 1 | 0 |
| greenland | | anisakis simplex | species | 128 | 0 |
| india | | anisakis simplex | species | 1 | 0 |
| ireland | | anisakis simplex | species | 4 | 0 |
| ireland | northern ireland | anisakis simplex | species | 4 | 0 |
| italy | apulia region | anisakis simplex | species | 0 | 1 |
| italy | lazio region | anisakis simplex | species | 0 | 1 |
| italy | piemonte region | anisakis simplex | species | 0 | 1 |
| italy | sardinia autonomous region | anisakis simplex | species | 0 | 1 |
| italy | sicily autonomous region | anisakis simplex | species | 0 | 2 |
| japan | | anisakis simplex | species | 5 | 0 |
| japan | aichi prefecture | anisakis simplex | species | 0 | 1 |
| japan | chiba prefecture | anisakis simplex | species | 46 | 0 |
| japan | fukuoka prefecture | anisakis simplex | species | 0 | 1 |
| japan | fukushima prefecture | anisakis simplex | species | 19 | 0 |
| japan | hokkaido prefecture | anisakis simplex | species | 16 | 3 |
| japan | ibaraki prefecture | anisakis simplex | species | 9 | 0 |
| japan | ishikawa prefecture | anisakis simplex | species | 1 | 0 |
| japan | iwate prefecture | anisakis simplex | species | 318 | 0 |
| japan | kagoshima prefecture | anisakis simplex | species | 1 | 0 |
| japan | kanagawa prefecture | anisakis simplex | species | 1 | 0 |
| japan | mie prefecture | anisakis simplex | species | 8 | 0 |
| japan | okayama prefecture | anisakis simplex | species | 37 | 0 |
| japan | osaka prefecture | anisakis simplex | species | 3 | 0 |
| japan | shizuoka prefecture | anisakis simplex | species | 1 | 0 |
| japan | tokyo prefecture | anisakis simplex | species | 6 | 0 |
| japan | toyama prefecture | anisakis simplex | species | 2 | 0 |
| kuwait | | anisakis simplex | species | 0 | 1 |
| malaysia | | anisakis simplex | species | 1 | 0 |
| mexico | baja california | anisakis simplex | species | 0 | 1 |
| mexico | yucatan | anisakis simplex | species | 0 | 1 |
| morocco | | anisakis simplex | species | 1 | 0 |
| netherlands | | anisakis simplex | species | 28 | 0 |
| norway | | anisakis simplex | species | 81 | 0 |
| norway | finnmark county | anisakis simplex | species | 27 | 0 |
| norway | hordaland county | anisakis simplex | species | 8 | 0 |
| norway | more og romsdal county | anisakis simplex | species | 0 | 1 |
| norway | svalbard | anisakis simplex | species | 48 | 0 |
| peru | piura region | anisakis simplex | species | 0 | 1 |
| poland | | anisakis simplex | species | 117 | 0 |
| poland | pomorskie province | anisakis simplex | species | 1 | 1 |
| poland | silesia province | anisakis simplex | species | 1 | 0 |
| portugal | | anisakis simplex | species | 87 | 0 |
| portugal | acores autonomous region | anisakis simplex | species | 0 | 1 |
| portugal | madeira autonomous region | anisakis simplex | species | 5 | 3 |
| portugal | porto district | anisakis simplex | species | 1 | 0 |
| russia | sverdlovsk oblast | anisakis simplex | species | 12 | 0 |
| south korea | | anisakis simplex | species | 50 | 0 |
| spain | | anisakis simplex | species | 69 | 0 |
| spain | andalusia | anisakis simplex | species | 0 | 5 |
| spain | balearic islands | anisakis simplex | species | 3 | 0 |
| spain | canary islands | anisakis simplex | species | 0 | 1 |
| spain | castilla-la mancha | anisakis simplex | species | 2 | 0 |
| spain | galicia | anisakis simplex | species | 12 | 3 |
| spain | madrid | anisakis simplex | species | 0 | 1 |
| svalbard and jan mayen | svalbard | anisakis simplex | species | 48 | 0 |
| sweden | orebro | anisakis simplex | species | 1 | 0 |
| taiwan | | anisakis simplex | species | 0 | 7 |
| thailand | chonburi province | anisakis simplex | species | 0 | 1 |
| tunisia | | anisakis simplex | species | 1 | 0 |
| turkey | | anisakis simplex | species | 1 | 0 |
| united kingdom | | anisakis simplex | species | 17 | 0 |
| united kingdom | england | anisakis simplex | species | 0 | 1 |
| united kingdom | scotland | anisakis simplex | species | 4 | 1 |
| united kingdom | wales | anisakis simplex | species | 0 | 1 |
| united states | | anisakis simplex | species | 7 | 0 |
| united states | alaska | anisakis simplex | species | 122 | 2 |
| united states | california | anisakis simplex | species | 2 | 2 |
| united states | connecticut | anisakis simplex | species | 2 | 0 |
| united states | hawaii | anisakis simplex | species | 0 | 3 |
| united states | oregon | anisakis simplex | species | 0 | 1 |
| united states | south carolina | anisakis simplex | species | 29 | 0 |
| united states | washington | anisakis simplex | species | 0 | 1 |
| western sahara | | anisakis simplex | species | 0 | 1 |