D/E ratio history for Northrop Grumman Corporation
| Date | D/E ratio | 
|---|---|
| 31 Dec 2023 | 0.93 | 
| 31 Dec 2022 | 0.84 | 
| 31 Dec 2021 | 0.99 | 
| 31 Dec 2020 | 1.42 | 
| 31 Dec 2019 | 0.21 | 
| 31 Dec 2018 | 1.76 | 
| 31 Dec 2017 | 2.17 | 
| 31 Dec 2016 | 1.34 | 
| 31 Dec 2015 | 1.18 | 
| 31 Dec 2014 | 1.02 | 
| 31 Dec 2013 | 0.67 | 
| 31 Dec 2012 | 0.54 | 
| 31 Dec 2011 | 0.38 | 
| 31 Dec 2010 | 0.36 | 
| 31 Dec 2009 | 0.34 | 
| 31 Dec 2008 | 0.33 | 
| 31 Dec 2007 | 0.23 | 
| 31 Dec 2006 | 0.25 | 
| 31 Dec 2005 | 0.31 | 
| 31 Dec 2004 | 0.31 | 
| 31 Dec 2003 | 0.37 | 
| 31 Dec 2002 | 0.67 | 
| 31 Dec 2001 | 0.74 | 
| 31 Dec 2000 | 0.41 | 
| 31 Dec 1999 | 0.68 | 
| 31 Dec 1998 | 0.99 | 
| 31 Dec 1997 | 1.06 | 
| 31 Dec 1996 | 1.59 | 
| 31 Dec 1995 | 0.94 | 
| 31 Dec 1994 | 1.50 | 
| 31 Dec 1993 | 0.12 | 
| 31 Dec 1992 | 0.41 | 
| 31 Dec 1991 | 0.47 | 
| 31 Dec 1990 | 0.96 | 
| 31 Dec 1989 | 1.32 | 
| 31 Dec 1988 | 1.02 | 
| 31 Dec 1987 | 0.97 | 
| 31 Dec 1986 | 0.59 | 
| 31 Dec 1985 | 0.23 | 
