In December 2020, South Korea experienced a significant increase in frozen herring imports, with a 150% rise compared to the same period in 2019, reaching a total of 513 tons. Despite this short-term surge, the overall annual import volume decreased by 21% from the previous year, amounting to 10,074 tons. The average monthly import volume for the period of December 2015 to 2020 was 256 tons, with a notable peak in December 2020, which saw a 100% increase from the average to 513 tons. The majority of these imports, approximately 99%, were sourced from Russia and Norway, with the remainder coming from Bangladesh, Oman, Myanmar, and Canada. The average price of imported frozen herring was US$0.61 per kilogram, with a smaller portion coming from Norway at US$0.49 per kilogram.