Sources
Total EITC benefits received:
Brookings Institution, Metropolitan Policy Program, Interactive EITC.
Share of taxpayers receiving EITC:
Children's Defense Fund (2007), Keeping What They've Earned: Tax Credits for Working Families. 
Based on Internal Revenue Service SPEC Information Database
Rural and urban breakdown:
William O'Hare and Elizabeth Kneebone (2007), EITC is Vital for Working Poor Families in Rural America, Carsey Institute.
Based on Brookings Institution analysis and Internal Revenue Service data.
Percentage of EITC filers using tax preparation services:
Children's Defense Fund (2007), Keeping What They've Earned: Tax Credits for Working Families.
Based on Internal Revenue Service SPEC Information Database
Money spent of tax preparation services:
Children's Defense Fund (2007), Keeping What They've Earned: Tax Credits for Working Families.
Based on $150 average tax preparation fee and a $100 average RAL fee
Percent of EITC filers using VITA:
Brookings Institution analysis and Internal Revenue Service data
Savings based on scaling up VITA usage to 5-percent and 10-percent:
Bread for the World Institute calculation based on $300 average tax preparation fees.
