The purpose of this study was to evaluate the financial status of single mother households by financial ratios. Data was drawn from Labor Panel Survey Data in 1999, and 198 single mother households were selected. Major findings were as follows: 1) The levels of after-tax income, income per person, expenditure, expenditure per person, asset, pure asset, and debt of single mother households were lower than their counter-parts. 2) All financial ratios showed that both financial security and financial growth of single mother households were lower than their counter-parts. Especially, 22% of single mother households had the lower level of income that the lowest cost of living.