Southernmost settlements
There are many research stations in Antarctica, both permanent and summer only. Many of the stations are staffed all year. McMurdo Station is the largest with an average population of 1200.
British Antarctic Territory
The British Antarctic Survey has two permanently staffed research stations in the Territory:Signy was operated from 1947 until 1996 and now is only staffed in the summer. There are also two summer-only forward operating stations at Fossil Bluff and Sky Blu.