Gross U.S. nondefense public investment as share of GDP, 1947–2011
| Total | Federal | State and local | |
|---|---|---|---|
| 1947 | 1.516% | 0.328% | 1.147% |
| 1948 | 1.858% | 0.372% | 1.486% |
| 1949 | 2.545% | 0.524% | 1.984% |
| 1950 | 2.520% | 0.545% | 2.009% |
| 1951 | 2.505% | 0.442% | 2.063% |
| 1952 | 2.484% | 0.447% | 2.037% |
| 1953 | 2.452% | 0.369% | 2.083% |
| 1954 | 2.734% | 0.315% | 2.419% |
| 1955 | 2.628% | 0.217% | 2.411% |
| 1956 | 2.835% | 0.274% | 2.583% |
| 1957 | 3.015% | 0.304% | 2.711% |
| 1958 | 3.253% | 0.342% | 2.890% |
| 1959 | 3.079% | 0.336% | 2.744% |
| 1960 | 3.040% | 0.380% | 2.641% |
| 1961 | 3.194% | 0.441% | 2.753% |
| 1962 | 3.210% | 0.495% | 2.715% |
| 1963 | 3.399% | 0.567% | 2.833% |
| 1964 | 3.481% | 0.633% | 2.863% |
| 1965 | 3.560% | 0.654% | 2.893% |
| 1966 | 3.555% | 0.622% | 2.933% |
| 1967 | 3.544% | 0.505% | 3.039% |
| 1968 | 3.451% | 0.418% | 3.045% |
| 1969 | 3.251% | 0.366% | 2.875% |
| 1970 | 3.130% | 0.366% | 2.764% |
| 1971 | 3.044% | 0.373% | 2.671% |
| 1972 | 2.835% | 0.364% | 2.472% |
| 1973 | 2.756% | 0.354% | 2.402% |
| 1974 | 3.014% | 0.373% | 2.641% |
| 1975 | 3.059% | 0.397% | 2.662% |
| 1976 | 2.801% | 0.400% | 2.401% |
| 1977 | 2.502% | 0.394% | 2.108% |
| 1978 | 2.585% | 0.427% | 2.158% |
| 1979 | 2.619% | 0.398% | 2.217% |
| 1980 | 2.726% | 0.430% | 2.295% |
| 1981 | 2.495% | 0.416% | 2.079% |
| 1982 | 2.385% | 0.390% | 1.992% |
| 1983 | 2.292% | 0.410% | 1.879% |
| 1984 | 2.307% | 0.399% | 1.908% |
| 1985 | 2.402% | 0.401% | 2.001% |
| 1986 | 2.473% | 0.392% | 2.081% |
| 1987 | 2.489% | 0.410% | 2.078% |
| 1988 | 2.447% | 0.365% | 2.084% |
| 1989 | 2.463% | 0.370% | 2.092% |
| 1990 | 2.583% | 0.390% | 2.193% |
| 1991 | 2.618% | 0.414% | 2.205% |
| 1992 | 2.546% | 0.429% | 2.118% |
| 1993 | 2.458% | 0.424% | 2.035% |
| 1994 | 2.370% | 0.351% | 2.018% |
| 1995 | 2.438% | 0.361% | 2.077% |
| 1996 | 2.457% | 0.367% | 2.090% |
| 1997 | 2.485% | 0.337% | 2.147% |
| 1998 | 2.469% | 0.349% | 2.120% |
| 1999 | 2.557% | 0.357% | 2.199% |
| 2000 | 2.563% | 0.311% | 2.254% |
| 2001 | 2.636% | 0.297% | 2.338% |
| 2002 | 2.692% | 0.311% | 2.380% |
| 2003 | 2.630% | 0.301% | 2.330% |
| 2004 | 2.555% | 0.284% | 2.270% |
| 2005 | 2.518% | 0.288% | 2.231% |
| 2006 | 2.572% | 0.297% | 2.276% |
| 2007 | 2.635% | 0.289% | 2.345% |
| 2008 | 2.748% | 0.306% | 2.441% |
| 2009 | 2.830% | 0.323% | 2.507% |
| 2010 | 2.691% | 0.359% | 2.333% |
| 2011 | 2.464% | 0.344% | 2.121% |
Source: Author's analysis of Bureau of Economic Analysis National Income and Product Accounts (Table 1.1.5 and Table 5.8.5A)