"Figure 6b: Adultery ceased to be the most common reason for husbands of opposite-sex couples petitioning for divorce after the 1990s","" "Percentage of opposite-sex divorces petitioned by the husband by grounds for divorce, England and Wales, 1979 to 2018 ","" "","" "Notes","1. “Other” includes divorces on grounds of “desertion” and “combination of adultery and unreasonable behaviour”. 2. Excludes divorces, which were granted to both parties jointly and annulments." "Unit","Percentage" "","" "Year of divorce","Adultery","Unreasonable behaviour","2 year separation (with consent)","5 year separation (no consent)","Other" "1979","40.7","8.7","33.1","14.2","3.3" "1980","42.0","9.5","32.3","13.2","3.0" "1981","43.4","10.3","31.8","12.1","2.4" "1982","43.5","11.5","31.0","11.8","2.2" "1983","44.0","12.7","29.6","11.7","1.9" "1984","43.3","13.5","29.8","11.7","1.6" "1985","44.1","15.9","28.2","10.3","1.5" "1986","44.0","17.4","26.6","10.8","1.3" "1987","44.6","18.4","25.3","10.3","1.3" "1988","43.6","20.1","24.8","10.4","1.1" "1989","43.2","20.5","25.1","10.1","1.0" "1990","42.2","21.8","25.0","9.9","1.0" "1991","41.7","22.6","25.0","9.6","1.0" "1992","40.7","23.0","25.6","9.8","0.9" "1993","38.8","23.1","27.5","9.6","1.0" "1994","36.9","23.6","28.5","9.9","1.0" "1995","35.5","24.3","29.2","9.9","1.0" "1996","34.4","24.2","29.8","10.7","0.9" "1997","33.7","25.6","29.6","10.2","0.9" "1998","32.0","26.7","30.2","10.4","0.8" "1999","29.7","27.3","31.3","11.0","0.7" "2000","28.9","27.6","31.3","11.5","0.7" "2001","27.2","28.8","31.2","12.2","0.6" "2002","26.5","29.4","31.4","12.1","0.6" "2003","26.0","29.8","31.1","12.6","0.6" "2004","24.8","30.1","31.5","13.1","0.5" "2005","22.6","31.3","31.7","13.7","0.6" "2006","21.2","32.2","31.9","14.0","0.6" "2007","19.7","33.4","32.5","13.8","0.6" "2008","18.3","34.4","32.4","14.1","0.7" "2009","17.1","34.9","33.0","14.3","0.7" "2010","16.4","36.0","32.0","14.9","0.7" "2011","15.3","36.2","32.3","15.7","0.6" "2012","13.7","36.6","31.9","17.0","0.9" "2013","13.0","37.8","31.5","16.9","0.8" "2014","12.4","37.9","31.4","17.0","1.2" "2015","11.7","37.0","31.5","18.6","1.2" "2016","10.7","36.2","32.7","19.2","1.2" "2017","9.9","37.3","31.9","20.0","0.9" "2018","9.5","36.8","32.4","20.6","0.6"