Demand amounted to RON545.5 million but the ministry decided to accept RON14 million above its initial target of RON200 million.
Romania last sold September 2031 bonds in December 2018 at an average yield of 5.33%.
Romania's finance ministry on Monday raised 214 million lei (EUR45 million) selling treasury bonds maturing in September 2031 at an average yield of 5.15%, central bank data showed.