The market expectation is that monetary policy interest rates will not begin to rise in earnest until the 2nd half of 2015, so the low level of interest rates is set to continue for some time yet. Exactly how long will be determined by the US labour market.
In recessions, there is normally a tendency for the labour force to shrink, one reason being that some of the unemployed give up the hope of finding work. Conversely, the labour force grows in good times when the chances of finding a job are better.