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Yearly W-NOMINATE Scores

The files below are text files. Each file contains W-NOMINATE scores by year for the indicated House/Senate. For Houses 76 to 91 there were insufficient roll calls to reliably estimate a 2nd dimension.

As we explain in our book Congress: A Political-Economic History of Roll Call Voting, the first dimension for this period can be interpreted as a standard liberal-conservative left-right government intervention in the economy dimension. The 2nd dimension picks up the conflict between North and South on Civil Rights.

For an explanation of how the data is organized and formatted read this text file.


1998 House W-NOMINATE Scores (Text File)
1998 Senate W-NOMINATE Scores (Text File)
1997 House W-NOMINATE Scores (Text File)
1997 Senate W-NOMINATE Scores (Text File)

1996 House W-NOMINATE Scores (Text File)
1996 Senate W-NOMINATE Scores (Text File)
1995 House W-NOMINATE Scores (Text File)
1995 Senate W-NOMINATE Scores (Text File)

1994 House W-NOMINATE Scores (Text File)
1994 Senate W-NOMINATE Scores (Text File)
1993 House W-NOMINATE Scores (Text File)
1993 Senate W-NOMINATE Scores (Text File)

1992 House W-NOMINATE Scores (Text File)
1992 Senate W-NOMINATE Scores (Text File)
1991 House W-NOMINATE Scores (Text File)
1991 Senate W-NOMINATE Scores (Text File)

1990 House W-NOMINATE Scores (Text File)
1990 Senate W-NOMINATE Scores (Text File)
1989 House W-NOMINATE Scores (Text File)
1989 Senate W-NOMINATE Scores (Text File)

1988 House W-NOMINATE Scores (Text File)
1988 Senate W-NOMINATE Scores (Text File)
1987 House W-NOMINATE Scores (Text File)
1987 Senate W-NOMINATE Scores (Text File)

1986 House W-NOMINATE Scores (Text File)
1986 Senate W-NOMINATE Scores (Text File)
1985 House W-NOMINATE Scores (Text File)
1985 Senate W-NOMINATE Scores (Text File)

1984 House W-NOMINATE Scores (Text File)
1984 Senate W-NOMINATE Scores (Text File)
1983 House W-NOMINATE Scores (Text File)
1983 Senate W-NOMINATE Scores (Text File)

1982 House W-NOMINATE Scores (Text File)
1982 Senate W-NOMINATE Scores (Text File)
1981 House W-NOMINATE Scores (Text File)
1981 Senate W-NOMINATE Scores (Text File)

1980 House W-NOMINATE Scores (Text File)
1980 Senate W-NOMINATE Scores (Text File)
1979 House W-NOMINATE Scores (Text File)
1979 Senate W-NOMINATE Scores (Text File)

1978 House W-NOMINATE Scores (Text File)
1978 Senate W-NOMINATE Scores (Text File)
1977 House W-NOMINATE Scores (Text File)
1977 Senate W-NOMINATE Scores (Text File)

1976 House W-NOMINATE Scores (Text File)
1976 Senate W-NOMINATE Scores (Text File)
1975 House W-NOMINATE Scores (Text File)
1975 Senate W-NOMINATE Scores (Text File)

1974 House W-NOMINATE Scores (Text File)
1974 Senate W-NOMINATE Scores (Text File)
1973 House W-NOMINATE Scores (Text File)
1973 Senate W-NOMINATE Scores (Text File)

1972 House W-NOMINATE Scores (Text File)
1972 Senate W-NOMINATE Scores (Text File)
1971 House W-NOMINATE Scores (Text File)
1971 Senate W-NOMINATE Scores (Text File)

1970 House W-NOMINATE Scores (Text File)
1970 Senate W-NOMINATE Scores (Text File)
1969 House W-NOMINATE Scores (Text File)
1969 Senate W-NOMINATE Scores (Text File)

1968 House W-NOMINATE Scores (Text File)
1968 Senate W-NOMINATE Scores (Text File)
1967 House W-NOMINATE Scores (Text File)
1967 Senate W-NOMINATE Scores (Text File)

1966 House W-NOMINATE Scores (Text File)
1966 Senate W-NOMINATE Scores (Text File)
1965 House W-NOMINATE Scores (Text File)
1965 Senate W-NOMINATE Scores (Text File)

1964 House W-NOMINATE Scores (Text File)
1964 Senate W-NOMINATE Scores (Text File)
1963 House W-NOMINATE Scores (Text File)
1963 Senate W-NOMINATE Scores (Text File)

1962 House W-NOMINATE Scores (Text File)
1962 Senate W-NOMINATE Scores (Text File)
1961 House W-NOMINATE Scores (Text File)
1961 Senate W-NOMINATE Scores (Text File)

1960 House W-NOMINATE Scores (Text File)
1960 Senate W-NOMINATE Scores (Text File)
1959 House W-NOMINATE Scores (Text File)
1959 Senate W-NOMINATE Scores (Text File)

1958 House W-NOMINATE Scores (Text File)
1957 House W-NOMINATE Scores (Text File)

1956 House W-NOMINATE Scores (Text File)
1955 House W-NOMINATE Scores (Text File)

1954 House W-NOMINATE Scores (Text File)
1953 House W-NOMINATE Scores (Text File)

1952 House W-NOMINATE Scores (Text File)
1951 House W-NOMINATE Scores (Text File)

1950 House W-NOMINATE Scores (Text File)
1949 House W-NOMINATE Scores (Text File)

1948 House W-NOMINATE Scores (Text File)
1947 House W-NOMINATE Scores (Text File)

1946 House W-NOMINATE Scores (Text File)
1945 House W-NOMINATE Scores (Text File)

1944 House W-NOMINATE Scores (Text File)
1943 House W-NOMINATE Scores (Text File)

1942 House W-NOMINATE Scores (Text File)
1941 House W-NOMINATE Scores (Text File)

1940 House W-NOMINATE Scores (Text File)
1939 House W-NOMINATE Scores (Text File)


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