A relative shortage of eligible bachelors in a particular area. Also: man-drought.
A large middle class presented its own problems, though, such as the high proportion of well-off spinsters and a "man drought" as eligible men left Edinburgh to seek fortunes abroad.
—Sandra Dick, "Bringing us to our census," Edinburgh Evening News, March 24, 2011
Women dating younger men is no big deal.
With Australia in the grip of a man drought as identified by demographer Bernard Salt in 2008, we're likely to see more of it.
Salt pointed out that in 1976 there were 56,000 more men than women in their 30s in Australia but by 2006 there was a deficit of 9000.
—Kylie Lang, "Time to sheath the claws," The Sunday Mail, May 2, 2011
Sit at a bar in any city on any night and you'll hear the stories. Melbourne is bursting with all the sophisticated, welldressed and heterosexual men Sydney lacks, they say. Adelaide is in the grip of a crippling man-drought and Canberra is too transient even to bother attempting a meaningful relationship.
—Richard Jinman, "Singles scan the cities for true love," The Weekend Australian, November 4, 1995