The Fannie Mae serious delinquency rate peaked in February 2010 at 5.59%.
Freddie Mac reported that the Single-Family serious delinquency rate declined in March to 3.03% from 3.15% in February. Freddie's rate is down from 3.51% in March 2012, and this is the lowest level since June 2009. Freddie's serious delinquency rate peaked in February 2010 at 4.20%.
Note: These are mortgage loans that are "three monthly payments or more past due or in foreclosure".
Click on graph for larger imageAlthough this indicates some progress, the "normal" serious delinquency rate is under 1%.
At the recent rate of improvement, the serious delinquency rate will not be under 1% until 2017 or later.