Source: UIA Administrative Analysis & Federal Reporting
|
Year
|
Minimum Contribution Rate
|
Average Contribution Rate
|
Median Contribution Rate
|
Maximum Contribution Rate
|
Taxable Wage Base
|
|
1970
|
0%
|
1.29%
|
NA
|
6%
|
$3,600
|
|
1971
|
0
|
1.51
|
NA
|
6
|
3,600
|
|
1972
|
0.1
|
3.1
|
NA
|
6.6
|
4,200
|
|
1973
|
0.2
|
2.95
|
NA
|
6.6
|
4,200
|
|
1974
|
0.1
|
2.53
|
NA
|
6.6
|
4,200
|
|
1975
|
0.1
|
2.74
|
NA
|
6.6
|
4,200
|
|
1976
|
0.2
|
3.61
|
NA
|
6.6
|
5,400
|
|
1977
|
0.2
|
4.08
|
2.7
|
6.6
|
5,400
|
|
1978
|
1
|
4.11
|
2.7
|
7.5
|
6,000
|
|
1979
|
1
|
4.03
|
2.7
|
8
|
6,000
|
|
1980
|
1
|
3.73
|
2.6
|
8.5
|
6,000
|
|
1981
|
1
|
3.99
|
2.6
|
9
|
6,000
|
|
1982
|
1
|
4.1
|
2.7
|
9
|
6,000
|
|
1983
|
1
|
4.64
|
2.9
|
10
|
8,000
|
|
1984
|
1
|
5.42
|
3.3
|
10
|
8,500
|
|
1985
|
1
|
5.71
|
3.0
|
10
|
9,000
|
|
1986
|
1
|
5.44
|
2.7
|
10
|
9,500
|
|
1987
|
1
|
4.59
|
2.7
|
10
|
9,500
|
|
1988
|
1
|
3.97
|
2.7
|
10
|
9,500
|
|
1989
|
1
|
3.73
|
2.6
|
10
|
9,500
|
|
1990
|
1
|
3.63
|
2.5
|
10
|
9,500
|
|
1991
|
1
|
3.7
|
2.2
|
10
|
9,500
|
|
1992
|
1
|
3.92
|
2.3
|
10
|
9,500
|
|
1993
|
1
|
4.15
|
2.5
|
10
|
9,500
|
|
1994
|
0.5
|
4.46
|
2.4
|
10
|
9,500
|
|
1995
|
0.5
|
4.28
|
2.4
|
9
|
9,500
|
|
1996
|
0.3
|
3.52
|
1.9
|
9
|
9,500
|
|
1997
|
0.2
|
3.26
|
1.8
|
9
|
9,500
|
|
1998
|
0.1
|
2.81
|
1.8
|
8.1
|
9,500
|
|
1999
|
0.1
|
2.66
|
1.8
|
8.1
|
9,500
|
|
2000
|
0.1
|
2.65
|
1.8
|
8.1
|
9,500
|
|
2001
|
0.1
|
2.59
|
1.8
|
8.1
|
9,500
|
|
2002
|
0.1
|
2.68
|
1.8
|
8.1
|
9,500
|
|
2003
|
0.06
|
3.36
|
1.8
|
9.3
|
9,000
|
|
2004
|
0.06
|
4.03
|
1.8
|
9.3
|
9,000
|
|
2005
|
0.06
|
4.33
|
2.1
|
10.3
|
9,000
|
|
2006
|
0.06
|
4.60
|
2.0
|
10.3
|
9,000
|
| 2007
|
0.06 |
4.73
|
2.2
|
10.3 |
9,000 |
| 2008
|
0.06
|
4.72
|
2.2
|
10.3
|
9,000 |
|
2009
|
0.06
|
4.57
|
1.8 |
10.3
|
9,000 |
|