SEAFOOD
Bluefin tuna (farmed) production by prefecture
Nagasaki Prefecture grows or catches the most bluefin tuna (farmed) in Japan: 6,666 t, 35.7% of the national total. Next come Kagoshima Prefecture and Kochi Prefecture. This survey covers the main producing prefectures only; prefectures not listed were not surveyed.
| Rank | Prefecture | Output (t) | Share |
|---|---|---|---|
| #1 | Nagasaki Prefecture | 6,666 | 35.7% |
| #2 | Kagoshima Prefecture | 3,148 | 16.8% |
| #3 | Kochi Prefecture | 2,301 | 12.3% |
| #4 | Ehime Prefecture | 1,534 | 8.2% |
| #5 | Mie Prefecture | 1,326 | 7.1% |
| #6 | Wakayama Prefecture | 1,274 | 6.8% |
| #7 | Oita Prefecture | 614 | 3.3% |
| — | Japan total | 18,687 | 100% |
Source: MAFF, Crop Statistics Survey / Marine Fishery Production Statistics (e-Stat, 2024 final). Aquaculture counts harvested output.
EAT
Who eats the most?
The city that buys the most is Shizuoka (Shizuoka Prefecture), at 2.2× the national average per household. The prefecture that grows it most and the one that buys it most are different.
Q&A
Common questions
Which prefecture produces the most bluefin tuna (farmed) in Japan?
Nagasaki Prefecture, with 6,666 t (35.7% of the national total) in 2024, according to Japan's Ministry of Agriculture.
Where in Japan do people buy the most bluefin tuna (farmed)?
Shizuoka (Shizuoka Prefecture) households buy 2.2× the national average (Statistics Bureau of Japan, 2023–2025 average).