The trade magazine of science-fiction, fantasy, and horror, Locus, has tracked many of the details of the field since 1981. Among these are the number of new titles published each year.
Since the mid-1980s the number of SF and fantasy titles has remained about the same. But in 1999 the number of new fantasy titles began to increase. This trend continued through 2011 and shows no sign of slowing down, though it must eventually.