Thanks to acts of devolution in 1998 and 2012, the Scottish Parliament at Holyrood controls:
In 2013 the Scottish government published "Scotland's Future: Your Guide To An Independent Scotland" on what an independent Scotland would like and its relationship with the rest of the UK and EU.
The plans include:
The head of polling company YouGov said he was "99% certain" a victory for the pro-union No camp.
In an interview with Sky News, Peter Kellner said: "Now, at the obvious risk of looking like a complete prat in about eight hours time, I would say it's a 99% certainty it's a No victory."
He said his judgement was based in a survey of 1,828 people after they had voted, in addition to postal votes showing a 54% majority for No.
This Thursday Scotland decides... will they vote Yes or No for Scottish independence?
On Friday morning we'll have a special edition of the show, tune in from 6am to 10am on Friday 19 September, to watch Good Morning Britain: Scotland decides.
On Monday's show we're marking the 20th anniversary of the hit TV show Friends and we want you to tell us what your favourite scene from the show is.
So watch our memorable video clips from the series and get voting!
The first of the Girls Aloud stars to have a baby, Nadine Coyle, is over from her home in the US to perform as part of Michael Flatley's Riverdance Tour and will be joining us live to tell us all about working with the legend and life in America.