Wikipedia defines it as “Social documentary photography is the recording of humans in their natural condition with a camera. Often it also refers to a socially critical genre of photography dedicated to showing the life of underprivileged or disadvantaged people.” A full description can be found HERE or read the New Yorker’s short piece on social documentary photography HERE.
The Activist Writer also provides links to great galleries.
To have a look at some of the incredible stories capture in pictures, www.socialdocumentary.net should be your first stop.
Image from http://socialdocumentary.net/