Trust Funds

NOTE: The following Table provides historical data concerning the income and expenditures of the Old-Age, Survivors and Disability Insurance Trust Funds. The series goes back to 1937, when the first benefits were paid. Keep in mind that Survivors benefits were first paid in 1940 and Disability benefits in 1957. This Table does not include Medicare. For detailed definitions of the terms used in this Table please consult the Office of the Actuary's page at our main Internet site.


Performance of Social Security Trust Funds 1937-2006

(Includes Old-Age, Survivors and Disability Trust Funds)
[$ in millions]

Calendar Year

Net Interest

Total Income

Total Expenditures

Balance

1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002

2003
2004
2005
2006

$2
15
27
43
56
72
88
107
134
152
164
281
146
257
417
365
414
447
454
526
563
577
572
569
614
594
587
633
651
702
896
1,045
1,342
1,791
2,027
2,208
2,386
2,660
2,866
2,722
2,531
2,264
2,155
2,330
2,231
1,391
8,276
3,440
2,741
3,871
5,338
8,168
12,692
17,245
21,892
25,365
27,862
31,103
34,977
38,718
43,787
49,323
55,466
64,471
72,895
80,362

84,926
88,974
94,252
102,420

$767
375
607
368
845
1,085
1,328
1,422
1,420
1,447
1,722
1,969
1,816
2,928
3,784
4,184
4,359
5,610
6,167
6,697
8,090
9,108
9,516
12,445
12,937
13,699
16,227
17,476
17,857
23,381
26,413
28,493
33,346
36,993
40,908
45,622
54,787
62,066
67,640
75,034
81,982
91,903
105,864
119,712
142,438
147,913
171,266
186,637
203,540
216,833
231,039
263,469
289,448
315,443
329,676
342,591
355,578
381,111
399,497
424,451
457,668
489,204
526,582
568,433
602,003
627,085

631,886
657,718
701,758
744,873

$1
10
14
62
114
159
195
238
304
418
512
607
721
1,022
1,966
2,282
3,094
3,741
5,079
5,841
7,567
8,907
10,793
11,798
13,388
15,156
16,217
17,020
19,187
20,913
22,471
26,015
27,892
33,108
38,542
43,281
53,148
60,593
69,184
78,242
87,254
96,018
107,320
123,550
144,352
160,111
171,177
180,429
190,628
201,522
209,093
222,514
236,242
253,135
274,205
291,865
308,766
323,011
339,815
353,569
369,108
382,255
392,908
415,121
438,916
461,653

479,086
501,644
529,938
555,421

$766
1,132
1,724
2,031
2,762
3,688
4,820
6,005
7,121
8,150
9,360
10,722
11,816
13,721
15,540
17,442
18,707
20,576
21,633
22,519
23,042
23,243
21,966
22,613
22,162
20,705
20,715
21,172
19,841
22,308
26,250
28,729
34,182
38,068
40,434
42,775
44,414
45,886
44,342
41,133
35,861
31,746
30,291
26,453
24,539
24,778
24,867
31,075
42,163
46,861
68,807
109,762
162,968
225,277
280,747
331,473
378,285
436,385
496,068
566,950
655,510
762,460
896,133
1,049,445
1,212,533
1,378,965

1,530,764
1,686,839
1,858,660
2,048,112

Source: Social Security Annual Statistical Supplement, Tables 4A1 & 4A3.