Private and public nondefense capital stock as a share of GDP and public/private capital stock ratio, 1951–2011
| Public | Private | Public-to-private ratio | |
|---|---|---|---|
| 1951 | 0.45 | 0.78 | 0.57 |
| 1952 | 0.44 | 0.78 | 0.57 |
| 1953 | 0.43 | 0.78 | 0.56 |
| 1954 | 0.43 | 0.77 | 0.55 |
| 1955 | 0.42 | 0.77 | 0.55 |
| 1956 | 0.43 | 0.78 | 0.55 |
| 1957 | 0.43 | 0.80 | 0.54 |
| 1958 | 0.45 | 0.81 | 0.55 |
| 1959 | 0.45 | 0.82 | 0.55 |
| 1960 | 0.46 | 0.82 | 0.56 |
| 1961 | 0.46 | 0.82 | 0.56 |
| 1962 | 0.46 | 0.80 | 0.58 |
| 1963 | 0.46 | 0.78 | 0.59 |
| 1964 | 0.46 | 0.76 | 0.61 |
| 1965 | 0.47 | 0.75 | 0.63 |
| 1966 | 0.47 | 0.73 | 0.64 |
| 1967 | 0.47 | 0.73 | 0.65 |
| 1968 | 0.48 | 0.73 | 0.66 |
| 1969 | 0.49 | 0.73 | 0.67 |
| 1970 | 0.51 | 0.75 | 0.68 |
| 1971 | 0.52 | 0.76 | 0.69 |
| 1972 | 0.54 | 0.77 | 0.70 |
| 1973 | 0.55 | 0.78 | 0.70 |
| 1974 | 0.58 | 0.81 | 0.72 |
| 1975 | 0.60 | 0.84 | 0.71 |
| 1976 | 0.60 | 0.86 | 0.70 |
| 1977 | 0.61 | 0.88 | 0.69 |
| 1978 | 0.61 | 0.90 | 0.67 |
| 1979 | 0.59 | 0.91 | 0.65 |
| 1980 | 0.58 | 0.93 | 0.63 |
| 1981 | 0.59 | 0.95 | 0.62 |
| 1982 | 0.59 | 0.97 | 0.61 |
| 1983 | 0.60 | 0.98 | 0.61 |
| 1984 | 0.59 | 0.98 | 0.60 |
| 1985 | 0.57 | 0.96 | 0.59 |
| 1986 | 0.55 | 0.94 | 0.59 |
| 1987 | 0.53 | 0.91 | 0.58 |
| 1988 | 0.52 | 0.90 | 0.58 |
| 1989 | 0.51 | 0.88 | 0.58 |
| 1990 | 0.51 | 0.88 | 0.58 |
| 1991 | 0.50 | 0.87 | 0.58 |
| 1992 | 0.50 | 0.86 | 0.58 |
| 1993 | 0.49 | 0.85 | 0.58 |
| 1994 | 0.49 | 0.84 | 0.58 |
| 1995 | 0.49 | 0.83 | 0.59 |
| 1996 | 0.49 | 0.83 | 0.59 |
| 1997 | 0.49 | 0.83 | 0.59 |
| 1998 | 0.48 | 0.82 | 0.59 |
| 1999 | 0.48 | 0.82 | 0.59 |
| 2000 | 0.48 | 0.82 | 0.59 |
| 2001 | 0.48 | 0.82 | 0.59 |
| 2002 | 0.49 | 0.83 | 0.59 |
| 2003 | 0.49 | 0.83 | 0.59 |
| 2004 | 0.50 | 0.83 | 0.60 |
| 2005 | 0.51 | 0.84 | 0.61 |
| 2006 | 0.53 | 0.84 | 0.62 |
| 2007 | 0.54 | 0.85 | 0.64 |
| 2008 | 0.57 | 0.87 | 0.65 |
| 2009 | 0.59 | 0.89 | 0.67 |
| 2010 | 0.61 | 0.90 | 0.68 |
| 2011 | 0.63 | 0.90 | 0.70 |
Source: Author's analysis of Bureau of Economic Analysis National Income and Product Accounts (Table 1.1.5) and Fixed Assets Accounts (Tables 7.1.A and 7.1.B)