Answer :

AL2006
-- There are four of them, spread over several hundred miles of ocean. 

-- Together, they form the last British Overseas Territory. 

-- Their TOTAL area is about 47 square kilometers (18 square miles).

-- Only Pitcairn, the second largest one, is inhabited.  In 2013,
its total population was 56 .

-- The island is inhabited by the descendants of the Bounty mutineers
and the Tahitians who landed there with them (in 1789).

-- Fletcher Christian was the officer who led the mutiny, and almost all of
the 56 current residents are members of families named Christian.

-- Pitcairn is the national jurisdiction (nation) with the smallest population
in the world.