The total worldwide market for antipsychotic drugs is expected to reach $19.6 billion in 2010. With continued market penetration into new diseases and price increases for currently marketed antipsychotics, this market is expected to grow to a high of $20.8 billion in 2011 and then hit a low of $14.4 billion in 2013, before resuming growth again to $14.8 billion in worldwide sales for 2014.