The progression of a sweeping 11-member free trade agreement was met with concern among the nation's farmers Wednesday, with many expressing their anxiety over a possible influx of imports stemming from the agreement that's set to enter into force Dec. 30.

Australia earlier in the day became the sixth nation to ratify the Comprehensive and Progressive Agreement for Trans-Pacific Partnership, fulfilling the requirements for the tariff-cutting framework to take effect.

Tatsumi Dejima, a 60-year-old farmer in the village of Sarabetsu in Hokkaido, said the deal was ratified by member countries "rather fast."