This figure was an increase from the 2012-2013 number of 327,166 and a slight decrease from their 2011 to 2012 numbers of 333,964.
In 2011, Planned Parenthood reported performing 333,964 abortions for the year 2011-2012, according to their annual report. (Source: Planned Parenthood annual report 2011-2012 – released June 2012)
2012 stats to be published here.
To date, the CDC nor Guttmacher has released their 2013 abortion numbers – the latest reports are from 2011 and can be viewed here.
Planned Parenthood abortion numbers for past years – here.