Households saved less money last year and saw a reduction in their disposable income, according to figures from the Central Statistics Office.
The overall level of saving within the Irish economy, outside of the financial sector, increased in 2013, according to the data.
Gross saving for the economy as a whole rose by €4.7 billion to €28.4 billion.
Within that, however, saving by households fell by €701m to €8.15 billion. The gross disposable income of Irish households was €505m lower last year than in 2012.
Companies, not including banks and other financial institutions, saved an extra €2.7 billion.