The Old-Age, Survivors, and Disability Insurance (OASDI) is a program of the Social Security Administration funded primarily through payroll taxes. It was signed into law in 1935 by then-President Franklin D. Roosevelt.
The OASDI program aims to supplement a worker's lost wages due to retirement, disability or death of a spouse.
The following table shows cities ranked by number of beneficiaries in Indiana.
Field Offices Ranking by Number of Beneficiaries in Indiana (2019)
| Rank | Field Office | Number of Beneficiaries | 
|---|---|---|
| 1 | Fort Wayne | 102,150 | 
| 2 | Anderson | 94,300 | 
| 3 | Evansville | 82,230 | 
| 4 | Columbus | 76,065 | 
| 5 | Indianapolis, Northwest | 72,925 | 
| 6 | New Albany | 71,555 | 
| 7 | South Bend | 70,620 | 
| 8 | Indianapolis | 64,800 | 
| 9 | Bloomington | 62,890 | 
| 10 | Lafayette | 58,960 | 
| 11 | Elkhart | 58,895 | 
| 12 | Indianapolis, Northeast | 54,595 | 
| 13 | Merrillville | 51,645 | 
| 14 | Muncie | 50,115 | 
| 15 | Madison | 44,270 | 
| 16 | Terre Haute | 43,775 | 
| 17 | Kokomo | 41,915 | 
| 18 | Valparaiso | 41,880 | 
| 19 | Richmond | 34,645 | 
| 20 | Hammond | 33,480 | 
| 21 | Marion | 29,290 | 
| 22 | Auburn | 28,430 | 
| 23 | Crawfordsville | 27,615 | 
| 24 | Michigan City | 24,180 | 
| 25 | Gary | 20,685 | 
| 26 | Vincennes | 20,065 | 
| 27 | Danville, IL | 7,785 | 

              
                
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