All provinces recorded higher fisheries production in 2020 compared to their respective levels a year ago. 

The commercial subsector in Ilocos Region registered lower production while the municipal and aquaculture subsectors registered higher output in 2020 compared with their respective levels in 2019. The aquaculture subsector contributed 81.47 percent to the total fisheries output during the period. The municipal fisheries accounted for 15.62 percent while the commercial subsector shared 2.91 percent.

In terms of provincial distribution, the province of Pangasinan shared  the bulk of production in the region with 85.26 percent. The overall volume of production of the province was posted at 153,190 metric tons.  The aquaculture subsector contributed to the overall increase in the fisheries output of the province.

La Union followed with 7.11 percent share to the total volume of fisheries production in the region. Its production went up by 11.43 percent in 2020 with an output of 12,772 metric tons. The commercial and municipal subsectors contributed to the overall positive performance of the province in terms of fisheries production.

Meanwhile, Ilocos Sur shared 3.88 percent to the total volume  of production in the region. The fisheries production of the province  was recorded at 6,975 metric tons in 2020, higher by 4.14 percent than the production a year ago of 6,698 metric tons.  The municipal and aquaculture subsectors contributed to the overall increment in output.

The province of Ilocos Norte, which shared 3.75 percent to the total fisheries production of Ilocos Region, recorded higher fisheries production  in 2020 compared with its level a year ago. From 6,015 metric tons production in 2019, it went up to 6,747 metric tons attributed to the higher output of the municipal subsector.