Chattanooga's unemployment rate fell to a four-year low of 6.4 percent in November from 7.3 percent in October, according to the state Department of Labor and Workforce Development.
It hasn't been this low since October 2008, when it was at 6.2 percent, according to the Bureau of Labor statistics.
In December 2008, the local area's rate jumped to 7.5 percent and didn't fall below that until November 2011, according to the Bureau of Labor statistics.
Before the recession, a healthy unemployment rate was more about 5 percent, but some experts have said recently that about 6 percent may be the new normal.
Unemployment rates fell in 91 of the state's 95 counties. It increased in one county and remained the same in three, according to the Tennessee Department of Labor and Workforce Development.
The state's unemployment rate for November decreased to 7.6 percent. That's down from October's revised rate of 8.2 percent.
Nationwide, the unemployment rate in November was 7.7 percent, which is slightly down from the October rate of 7.9 percent.
The state unemployment rate is seasonally adjusted, but county unemployment rates aren't.
Seasonal adjustment is a statistical technique that eliminates the influences of recurring seasonal events, such as weather and holidays, according to the Department of Labor.
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