Ireland has the fourth highest rate of unemployment across the group of developed countries, coming in behind Spain, Greece and Portugal.
The OECD average unemployment rate was 7.9% in September, broadly the same rate as 18 months previously.
The Organisation puts Ireland's rate at 15.1%, in contrast to 25.8% in Spain and 25.1% in Greece.
Youth unemployment is highest in Greece at 55.6% and Spain at 54%.
According to OECD data, the current level of unemployment among young people in Ireland stands at 34.5%.