The Fannie Mae serious delinquency rate peaked in February 2010 at 5.59%.
Freddie Mac reported that the Single-Family serious delinquency rate increased in September to 3.37%, from 3.36% in August. Freddie's rate is down from 3.51% in September 2011. Freddie's serious delinquency rate peaked in February 2010 at 4.20%.
These are loans that are "three monthly payments or more past due or in foreclosure".
Click on graph for larger imageIn 2009, Fannie's serious delinquency rate increased faster than Freddie's rate. Since then, Fannie's rate has been falling faster - and now the rates are at about the same level.
Although this indicates some progress, the "normal" serious delinquency rate is under 1% - and it looks like it will be several more years until the rates back to normal.