Bridges Resource Library

Fast Facts About Social Security – SSI and SSDI

Updated as of February 26, 2024.

Social Security Benefits

What are they?

  • Cash payments
  • Two kinds:
    • SSDI (Social Security Disability Insurance)
    • SSI (Supplemental Security Income)



SSI is a needs-based program

  • Must be poor
  • Limits on both income and resources

Find out more in the SSI (Supplemental Security Income) – Fast Financial Facts Bridges Resource Library entry.

SSDI is an insurance program

  • Based on sufficient work history (6 to 40 quarters/1.5 to 10 years – depends on age of disability onset)
  • Available to qualified adult children of disabled/deceased parents eligible to receive SSDI
  • Limits on income, but no limits on resources

Find out more in the SSDI (Social Security Disability Insurance) – Fast Financial Facts Bridges Resource Library entry.

Downloads Available

BWE Calculation Spreadsheet (two worksheets: SSI Calculation & BWE Calculation)

IRWE Calculation Spreadsheet (two worksheets: SSDI Calculation & IRWE Calculation)

Contact the Bridges Helpdesk for More Information

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This unique project is being coordinated through The IMAGE Center of Maryland, a center for independent living in Towson, and it is funded by a grant from the Maryland Department of Education Division of Special Education/Early Intervention Services.

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